159420864 has 56 divisors (see below), whose sum is σ = 433220368. Its totient is φ = 51701760.

The previous prime is 159420857. The next prime is 159420881. The reversal of 159420864 is 468024951.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4117 + ... + 18324.

It is an arithmetic number, because the mean of its divisors is an integer number (7736078).

Almost surely, 2^159420864 is an apocalyptic number.

It is an amenable number.

159420864 is an abundant number, since it is smaller than the sum of its proper divisors (273799504).

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

159420864 is a wasteful number, since it uses less digits than its factorization.

159420864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22493 (or 22483 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 159420864 is about 12626.1975273635. The cubic root of 159420864 is about 542.2277243711.

The spelling of 159420864 in words is "one hundred fifty-nine million, four hundred twenty thousand, eight hundred sixty-four".