156731952 has 90 divisors (see below), whose sum is σ = 441609012. Its totient is φ = 47878272.

The previous prime is 156731903. The next prime is 156731983. The reversal of 156731952 is 259137651.

156731952 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

Its product of digits (56700) is a multiple of the sum of its prime factors (315).

It is a self number, because there is not a number n which added to its sum of digits gives 156731952.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1127499 + ... + 1127637.

Almost surely, 2^156731952 is an apocalyptic number.

156731952 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 156731952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220804506).

156731952 is an abundant number, since it is smaller than the sum of its proper divisors (284877060).

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

156731952 is a wasteful number, since it uses less digits than its factorization.

156731952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315 (or 157 counting only the distinct ones).

The product of its digits is 56700, while the sum is 39.

The square root of 156731952 is about 12519.2632371078. The cubic root of 156731952 is about 539.1618822975.

The spelling of 156731952 in words is "one hundred fifty-six million, seven hundred thirty-one thousand, nine hundred fifty-two".