158994904 has 16 divisors (see below), whose sum is σ = 298568520. Its totient is φ = 79376640.

The previous prime is 158994881. The next prime is 158994917. The reversal of 158994904 is 409499851.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 9382 + ... + 20149.

Almost surely, 2^158994904 is an apocalyptic number.

It is an amenable number.

158994904 is a deficient number, since it is larger than the sum of its proper divisors (139573616).

158994904 is a wasteful number, since it uses less digits than its factorization.

158994904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30210 (or 30206 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 49.

The square root of 158994904 is about 12609.3181417553. The cubic root of 158994904 is about 541.7443636816.

The spelling of 158994904 in words is "one hundred fifty-eight million, nine hundred ninety-four thousand, nine hundred four".