144228131 has 2 divisors, whose sum is σ = 144228132. Its totient is φ = 144228130.

The previous prime is 144228113. The next prime is 144228163. The reversal of 144228131 is 131822441.

144228131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (144228113) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144228131 - 2⁶ = 144228067 is a prime.

It is a super-2 number, since 2×144228131² = 41603507543506322, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144228131.

It is not a weakly prime, because it can be changed into another prime (144228181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72114065 + 72114066.

It is an arithmetic number, because the mean of its divisors is an integer number (72114066).

Almost surely, 2^144228131 is an apocalyptic number.

144228131 is a deficient number, since it is larger than the sum of its proper divisors (1).

144228131 is an equidigital number, since it uses as much as digits as its factorization.

144228131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1536, while the sum is 26.

The square root of 144228131 is about 12009.5016965734. The cubic root of 144228131 is about 524.4249255582.

The spelling of 144228131 in words is "one hundred forty-four million, two hundred twenty-eight thousand, one hundred thirty-one".