156120432 has 80 divisors (see below), whose sum is σ = 439971840. Its totient is φ = 47414016.

The previous prime is 156120413. The next prime is 156120449. The reversal of 156120432 is 234021651.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 15 ways as a sum of consecutive naturals, for example, 47713 + ... + 50879.

It is an arithmetic number, because the mean of its divisors is an integer number (5499648).

Almost surely, 2^156120432 is an apocalyptic number.

156120432 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 156120432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219985920).

156120432 is an abundant number, since it is smaller than the sum of its proper divisors (283851408).

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

156120432 is a wasteful number, since it uses less digits than its factorization.

156120432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3270 (or 3264 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 156120432 is about 12494.8162051308. The cubic root of 156120432 is about 538.4597535807.

The spelling of 156120432 in words is "one hundred fifty-six million, one hundred twenty thousand, four hundred thirty-two".