158542604 has 24 divisors (see below), whose sum is σ = 303056208. Its totient is φ = 71973440.

The previous prime is 158542603. The next prime is 158542607. The reversal of 158542604 is 406245851.

It is not an unprimeable number, because it can be changed into a prime (158542603) by changing a digit.

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, 42794 + ... + 46350.

It is an arithmetic number, because the mean of its divisors is an integer number (12627342).

Almost surely, 2^158542604 is an apocalyptic number.

It is an amenable number.

158542604 is a deficient number, since it is larger than the sum of its proper divisors (144513604).

158542604 is a wasteful number, since it uses less digits than its factorization.

158542604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4585 (or 4583 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 158542604 is about 12591.3702193209. The cubic root of 158542604 is about 541.2301675498.

The spelling of 158542604 in words is "one hundred fifty-eight million, five hundred forty-two thousand, six hundred four".