√145 ≈ 12.0416
√145 is an irrational number, so its decimals never end or repeat. It sits between 12 and 13 because 12² = 144 and 13² = 169.
| Decimal places | Value |
|---|---|
| 0 | 12 |
| 1 | 12.0 |
| 2 | 12.04 |
| 3 | 12.042 |
| 4 | 12.0416 |
| 5 | 12.04159 |
| 10 (digits) | 12.0415945788 |
145 has no perfect-square factor other than 1, so √145 is already in simplest radical form.
12.0416 × 12.0416 ≈ 145.0001, which is very close to 145.
Need another number? Use the square root calculator (also cube roots and other roots).
| Number | Square root |
|---|---|
| 141 | 11.8743 |
| 142 | 11.9164 |
| 143 | 11.9583 |
| 144 | 12 |
| 146 | 12.0830 |
| 147 | 12.1244 |
| 148 | 12.1655 |
| 149 | 12.2066 |