15158964 has 12 divisors (see below), whose sum is σ = 35370944. Its totient is φ = 5052984.

The previous prime is 15158963. The next prime is 15158981. The reversal of 15158964 is 46985151.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15158963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 631612 + ... + 631635.

Almost surely, 2^15158964 is an apocalyptic number.

It is an amenable number.

15158964 is an abundant number, since it is smaller than the sum of its proper divisors (20211980).

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

15158964 is a wasteful number, since it uses less digits than its factorization.

15158964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263254 (or 1263252 counting only the distinct ones).

The product of its digits is 43200, while the sum is 39.

The square root of 15158964 is about 3893.4514251497. The cubic root of 15158964 is about 247.4893455265.

The spelling of 15158964 in words is "fifteen million, one hundred fifty-eight thousand, nine hundred sixty-four".