158115312 has 30 divisors (see below), whose sum is σ = 442503672. Its totient is φ = 52705056.

The previous prime is 158115301. The next prime is 158115313. The reversal of 158115312 is 213511851.

158115312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158115313) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 548868 + ... + 549155.

Almost surely, 2^158115312 is an apocalyptic number.

158115312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

158115312 is an abundant number, since it is smaller than the sum of its proper divisors (284388360).

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

158115312 is a wasteful number, since it uses less digits than its factorization.

158115312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098037 (or 1098028 counting only the distinct ones).

The product of its digits is 1200, while the sum is 27.

The square root of 158115312 is about 12574.3911184598. The cubic root of 158115312 is about 540.7435025827.

The spelling of 158115312 in words is "one hundred fifty-eight million, one hundred fifteen thousand, three hundred twelve".