156855002232 has 128 divisors (see below), whose sum is σ = 405359458560. Its totient is φ = 50553984000.

The previous prime is 156855002221. The next prime is 156855002233. The reversal of 156855002232 is 232200558651.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (156855002233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48246607 + ... + 48249857.

It is an arithmetic number, because the mean of its divisors is an integer number (3166870770).

Almost surely, 2^156855002232 is an apocalyptic number.

156855002232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156855002232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202679729280).

156855002232 is an abundant number, since it is smaller than the sum of its proper divisors (248504456328).

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

156855002232 is a wasteful number, since it uses less digits than its factorization.

156855002232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3853 (or 3849 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 39.

The spelling of 156855002232 in words is "one hundred fifty-six billion, eight hundred fifty-five million, two thousand, two hundred thirty-two".