144431574244904 has 32 divisors (see below), whose sum is σ = 270935262707040. Its totient is φ = 72182176180800.

The previous prime is 144431574244847. The next prime is 144431574244963. The reversal of 144431574244904 is 409442475134441.

It is a super-2 number, since 2×144431574244904² (a number of 29 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 144431574244904.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220949087 + ... + 221601809.

It is an arithmetic number, because the mean of its divisors is an integer number (8466726959595).

Almost surely, 2^{144431574244904} is an apocalyptic number.

It is an amenable number.

144431574244904 is a deficient number, since it is larger than the sum of its proper divisors (126503688462136).

144431574244904 is a wasteful number, since it uses less digits than its factorization.

144431574244904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665561 (or 665557 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 56.

The spelling of 144431574244904 in words is "one hundred forty-four trillion, four hundred thirty-one billion, five hundred seventy-four million, two hundred forty-four thousand, nine hundred four".