158472188 has 12 divisors (see below), whose sum is σ = 316944432. Its totient is φ = 67916640.

The previous prime is 158472151. The next prime is 158472191. The reversal of 158472188 is 881274851.

158472188 is an admirable number.

It is a super-2 number, since 2×158472188² = 50226868739014688, which contains 22 as substring.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2829833 + ... + 2829888.

It is an arithmetic number, because the mean of its divisors is an integer number (26412036).

Almost surely, 2^158472188 is an apocalyptic number.

It is an amenable number.

158472188 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

158472188 is a wasteful number, since it uses less digits than its factorization.

158472188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5659732 (or 5659730 counting only the distinct ones).

The product of its digits is 143360, while the sum is 44.

The square root of 158472188 is about 12588.5737079305. The cubic root of 158472188 is about 541.1500273515.

The spelling of 158472188 in words is "one hundred fifty-eight million, four hundred seventy-two thousand, one hundred eighty-eight".