158088728 has 32 divisors (see below), whose sum is σ = 339184800. Its totient is φ = 67667712.

The previous prime is 158088709. The next prime is 158088739. The reversal of 158088728 is 827880851.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67676 + ... + 69972.

It is an arithmetic number, because the mean of its divisors is an integer number (10599525).

Almost surely, 2^158088728 is an apocalyptic number.

It is an amenable number.

158088728 is an abundant number, since it is smaller than the sum of its proper divisors (181096072).

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

158088728 is a wasteful number, since it uses less digits than its factorization.

158088728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3539 (or 3535 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 47.

The square root of 158088728 is about 12573.3340049487. The cubic root of 158088728 is about 540.7131957330.

The spelling of 158088728 in words is "one hundred fifty-eight million, eighty-eight thousand, seven hundred twenty-eight".