**Numeral for 6 lakhs 4 tens 5 tens 6 hundred**

To write the numeral for 6 lakhs 4 tens 5 tens 6 hundred, we need to understand the place value system. In the place value system, each digit's value depends on its position in the number.

The place value chart for the given number is as follows:

- Lakh (L): 10^5
- Ten Thousand (T): 10^4
- Thousand (H): 10^3
- Hundred (C): 10^2
- Ten (X): 10^1
- Unit (I): 10^0

To write the numeral for 6 lakhs 4 tens 5 tens 6 hundred, we need to determine the value of each place and combine them.

**Step 1: Determine the value of each place:**

- 6 lakhs: 6 × 10^5
- 4 tens: 4 × 10^1
- 5 tens: 5 × 10^1
- 6 hundred: 6 × 10^2

**Step 2: Combine the values:**

Combining the values, we have:

6 × 10^5 + 4 × 10^1 + 5 × 10^1 + 6 × 10^2

**Step 3: Simplify the expression:**

Simplifying the expression, we have:

600000 + 40 + 50 + 600

**Step 4: Calculate the sum:**

Adding the numbers, we have:

600000 + 40 + 50 + 600 = 600000 + 690 = 600690

Therefore, the numeral for 6 lakhs 4 tens 5 tens 6 hundred is 600690.

In conclusion, the numeral for 6 lakhs 4 tens 5 tens 6 hundred is 600690.