158813232 has 20 divisors (see below), whose sum is σ = 410267640. Its totient is φ = 52937728.

The previous prime is 158813197. The next prime is 158813261. The reversal of 158813232 is 232318851.

It is a junction number, because it is equal to n+sod(n) for n = 158813193 and 158813202.

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 3 ways as a sum of consecutive naturals, for example, 1654257 + ... + 1654352.

It is an arithmetic number, because the mean of its divisors is an integer number (20513382).

Almost surely, 2^158813232 is an apocalyptic number.

158813232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

158813232 is an abundant number, since it is smaller than the sum of its proper divisors (251454408).

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

158813232 is a wasteful number, since it uses less digits than its factorization.

158813232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3308620 (or 3308614 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 158813232 is about 12602.1122039125. The cubic root of 158813232 is about 541.5379476496.

The spelling of 158813232 in words is "one hundred fifty-eight million, eight hundred thirteen thousand, two hundred thirty-two".