158472572 has 18 divisors (see below), whose sum is σ = 294602112. Its totient is φ = 74574784.

The previous prime is 158472551. The next prime is 158472641. The reversal of 158472572 is 275274851.

158472572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×158472572² = 50227112152590368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67388 + ... + 69699.

It is an arithmetic number, because the mean of its divisors is an integer number (16366784).

Almost surely, 2^158472572 is an apocalyptic number.

It is an amenable number.

158472572 is a deficient number, since it is larger than the sum of its proper divisors (136129540).

158472572 is a wasteful number, since it uses less digits than its factorization.

158472572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137125 (or 137106 counting only the distinct ones).

The product of its digits is 156800, while the sum is 41.

The square root of 158472572 is about 12588.5889598477. The cubic root of 158472572 is about 541.1504644449.

The spelling of 158472572 in words is "one hundred fifty-eight million, four hundred seventy-two thousand, five hundred seventy-two".