√345 = 18.574175621. 345 is not a perfect square; the result is irrational.

Is 345 a perfect square?

No, 345 is not a perfect square. Its square root is irrational.

What is 18.574175621 squared?

18.574175621 squared is approximately 345. (18.574175621)² ≈ 345

Instant answer with step-by-step solution

√345 = 18.574175621

√345 = 18.574175621

⚠ 345 is not a perfect square — result rounded to 10 significant figures

We need to find √345 — a number that when multiplied by itself equals 345.
345 is not a perfect square. Its square root is irrational.
It falls between √324 = 18 and √361 = 19.
Using the formula √N = N^(1/2): √345 = 345^0.5 = 18.574175621
Verification: 18.574175621 × 18.574175621 ≈ 345 ✓ (rounded to 10 significant figures)

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