144 squared

144² = 144 × 144 = 20,736

To square a number, multiply it by itself. 144 squared is written 144² or 144^2, and the answer is 20,736.

How to work out 144 squared

Direct: 144 × 144 = 20,736.
From the previous square: 143² = 20,449, and 144² = 20,449 + (2 × 144 − 1) = 20,449 + 287 = 20,736.
Split the number: 144 = 140 + 4, so 144² = 140² + 2 × 140 × 4 + 4² = 19,600 + 1,120 + 16 = 20,736.

Related

144 cubed = 2,985,984
The square root of 20,736 is 144, so 20,736 is a perfect square.

Squares near 144

Number	Squared
140	19,600
141	19,881
142	20,164
143	20,449
145	21,025
146	21,316
147	21,609
148	21,904

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