143 squared

143² = 143 × 143 = 20,449

To square a number, multiply it by itself. 143 squared is written 143² or 143^2, and the answer is 20,449.

How to work out 143 squared

Direct: 143 × 143 = 20,449.
From the previous square: 142² = 20,164, and 143² = 20,164 + (2 × 143 − 1) = 20,164 + 285 = 20,449.
Split the number: 143 = 140 + 3, so 143² = 140² + 2 × 140 × 3 + 3² = 19,600 + 840 + 9 = 20,449.

Related

143 cubed = 2,924,207
The square root of 20,449 is 143, so 20,449 is a perfect square.

Squares near 143

Number	Squared
139	19,321
140	19,600
141	19,881
142	20,164
144	20,736
145	21,025
146	21,316
147	21,609

Need another number? Use the exponent calculator or see all squares and cubes.