158901552 has 30 divisors (see below), whose sum is σ = 444704052. Its totient is φ = 52967136.

The previous prime is 158901539. The next prime is 158901553. The reversal of 158901552 is 255109851.

It is a happy number.

158901552 is a `hidden beast` number, since 15 + 8 + 90 + 1 + 552 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (158901553) 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, 551598 + ... + 551885.

Almost surely, 2^158901552 is an apocalyptic number.

158901552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

158901552 is an abundant number, since it is smaller than the sum of its proper divisors (285802500).

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

158901552 is a wasteful number, since it uses less digits than its factorization.

158901552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103497 (or 1103488 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 36.

The square root of 158901552 is about 12605.6158913399. The cubic root of 158901552 is about 541.6383166333.

The spelling of 158901552 in words is "one hundred fifty-eight million, nine hundred one thousand, five hundred fifty-two".