156645214144 has 42 divisors (see below), whose sum is σ = 321193619232. Its totient is φ = 75796041600.

The previous prime is 156645214093. The next prime is 156645214163. The reversal of 156645214144 is 441412546651.

It is a happy number.

It is a super-2 number, since 2×156645214144² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 156645214144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1211952 + ... + 1334959.

Almost surely, 2^156645214144 is an apocalyptic number.

It is an amenable number.

156645214144 is an abundant number, since it is smaller than the sum of its proper divisors (164548405088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

156645214144 is an equidigital number, since it uses as much as digits as its factorization.

156645214144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2546985 (or 2546944 counting only the distinct ones).

The product of its digits is 460800, while the sum is 43.

The spelling of 156645214144 in words is "one hundred fifty-six billion, six hundred forty-five million, two hundred fourteen thousand, one hundred forty-four".