158157872 has 40 divisors (see below), whose sum is σ = 314085552. Its totient is φ = 77126400.

The previous prime is 158157871. The next prime is 158157887. The reversal of 158157872 is 278751851.

It is not an unprimeable number, because it can be changed into a prime (158157871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127238 + ... + 128474.

Almost surely, 2^158157872 is an apocalyptic number.

It is an amenable number.

158157872 is a deficient number, since it is larger than the sum of its proper divisors (155927680).

158157872 is a wasteful number, since it uses less digits than its factorization.

158157872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1437 (or 1431 counting only the distinct ones).

The product of its digits is 156800, while the sum is 44.

The square root of 158157872 is about 12576.0833330572. The cubic root of 158157872 is about 540.7920156554.

The spelling of 158157872 in words is "one hundred fifty-eight million, one hundred fifty-seven thousand, eight hundred seventy-two".