158988475 has 12 divisors (see below), whose sum is σ = 197489344. Its totient is φ = 126969120.

The previous prime is 158988461. The next prime is 158988481. The reversal of 158988475 is 574889851.

It is a de Polignac number, because none of the positive numbers 2^k-158988475 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9937 + ... + 20413.

Almost surely, 2^158988475 is an apocalyptic number.

158988475 is a deficient number, since it is larger than the sum of its proper divisors (38500869).

158988475 is a wasteful number, since it uses less digits than its factorization.

158988475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11094 (or 11089 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 55.

The square root of 158988475 is about 12609.0632086607. The cubic root of 158988475 is about 541.7370617255.

The spelling of 158988475 in words is "one hundred fifty-eight million, nine hundred eighty-eight thousand, four hundred seventy-five".