158314989 has 16 divisors (see below), whose sum is σ = 241667712. Its totient is φ = 90306048.

The previous prime is 158314969. The next prime is 158314991. The reversal of 158314989 is 989413851.

It is not a de Polignac number, because 158314989 - 2⁸ = 158314733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158314909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6097 + ... + 18809.

It is an arithmetic number, because the mean of its divisors is an integer number (15104232).

Almost surely, 2^158314989 is an apocalyptic number.

It is an amenable number.

158314989 is a deficient number, since it is larger than the sum of its proper divisors (83352723).

158314989 is a wasteful number, since it uses less digits than its factorization.

158314989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13316.

The product of its digits is 311040, while the sum is 48.

The square root of 158314989 is about 12582.3284411114. The cubic root of 158314989 is about 540.9710340362.

The spelling of 158314989 in words is "one hundred fifty-eight million, three hundred fourteen thousand, nine hundred eighty-nine".