156944430 has 24 divisors (see below), whose sum is σ = 408055752. Its totient is φ = 41851824.

The previous prime is 156944423. The next prime is 156944449. The reversal of 156944430 is 34449651.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 871824 + ... + 872003.

It is an arithmetic number, because the mean of its divisors is an integer number (17002323).

Almost surely, 2^156944430 is an apocalyptic number.

156944430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

156944430 is an abundant number, since it is smaller than the sum of its proper divisors (251111322).

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

156944430 is a wasteful number, since it uses less digits than its factorization.

156944430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1743840 (or 1743837 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 156944430 is about 12527.7464054793. The cubic root of 156944430 is about 539.4054155126.

The spelling of 156944430 in words is "one hundred fifty-six million, nine hundred forty-four thousand, four hundred thirty".