156831852 has 48 divisors (see below), whose sum is σ = 397644800. Its totient is φ = 47926080.

The previous prime is 156831841. The next prime is 156831877. The reversal of 156831852 is 258138651.

It is a self number, because there is not a number n which added to its sum of digits gives 156831852.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4027 + ... + 18162.

Almost surely, 2^156831852 is an apocalyptic number.

156831852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

156831852 is an abundant number, since it is smaller than the sum of its proper divisors (240812948).

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

156831852 is a wasteful number, since it uses less digits than its factorization.

156831852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22246 (or 22244 counting only the distinct ones).

The product of its digits is 57600, while the sum is 39.

The square root of 156831852 is about 12523.2524529373. The cubic root of 156831852 is about 539.2764108106.

The spelling of 156831852 in words is "one hundred fifty-six million, eight hundred thirty-one thousand, eight hundred fifty-two".