158038632 has 48 divisors (see below), whose sum is σ = 442786500. Its totient is φ = 50862336.

The previous prime is 158038627. The next prime is 158038663. The reversal of 158038632 is 236830851.

158038632 is a `hidden beast` number, since 15 + 8 + 0 + 3 + 8 + 632 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 136749636 + 21288996 = 11694^2 + 4614^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35757 + ... + 39932.

Almost surely, 2^158038632 is an apocalyptic number.

158038632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

158038632 is an abundant number, since it is smaller than the sum of its proper divisors (284747868).

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

158038632 is a wasteful number, since it uses less digits than its factorization.

158038632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75730 (or 75723 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 158038632 is about 12571.3416945050. The cubic root of 158038632 is about 540.6560750044.

The spelling of 158038632 in words is "one hundred fifty-eight million, thirty-eight thousand, six hundred thirty-two".