144 (number)

144 is the number proceeding 143 and preceding 145. It is the twelfth Fibonacci Number. Its prime factorization is $3^{2}\times 2^{4}$. Its factors are 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, and 72. This makes it an abundant number. It is sometimes called a gross.

144 is a perfect square because 144 = 12*12. The sum of the three digits of 144 is a perfect square : 1+4+4=9=3*3. The product is also a perfect square : 1*4*4=16=4*4.