144629272864 has 24 divisors (see below), whose sum is σ = 284778724860. Its totient is φ = 72304517376.

The previous prime is 144629272859. The next prime is 144629272883. The reversal of 144629272864 is 468272926441.

It can be written as a sum of positive squares in 2 ways, for example, as 96708560400 + 47920712464 = 310980^2 + 218908^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81279 + ... + 543934.

Almost surely, 2^144629272864 is an apocalyptic number.

It is an amenable number.

144629272864 is a deficient number, since it is larger than the sum of its proper divisors (140149451996).

144629272864 is an equidigital number, since it uses as much as digits as its factorization.

144629272864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632452 (or 632444 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 55.

The spelling of 144629272864 in words is "one hundred forty-four billion, six hundred twenty-nine million, two hundred seventy-two thousand, eight hundred sixty-four".