159394564 has 48 divisors (see below), whose sum is σ = 324898560. Its totient is φ = 67017600.

The previous prime is 159394559. The next prime is 159394579. The reversal of 159394564 is 465493951.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 443817 + ... + 444175.

It is an arithmetic number, because the mean of its divisors is an integer number (6768720).

Almost surely, 2^159394564 is an apocalyptic number.

159394564 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

159394564 is an abundant number, since it is smaller than the sum of its proper divisors (165503996).

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

159394564 is a wasteful number, since it uses less digits than its factorization.

159394564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628 (or 626 counting only the distinct ones).

The product of its digits is 583200, while the sum is 46.

The square root of 159394564 is about 12625.1559990362. The cubic root of 159394564 is about 542.1979052431.

It can be divided in two parts, 15939 and 4564, that added together give a triangular number (20503 = T₂₀₂).

The spelling of 159394564 in words is "one hundred fifty-nine million, three hundred ninety-four thousand, five hundred sixty-four".