159313444 has 6 divisors (see below), whose sum is σ = 278798534. Its totient is φ = 79656720.

The previous prime is 159313439. The next prime is 159313457. The reversal of 159313444 is 444313951.

It can be written as a sum of positive squares in only one way, i.e., 93508900 + 65804544 = 9670^2 + 8112^2 .

It is a super-2 number, since 2×159313444² = 50761546878282272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19914177 + ... + 19914184.

Almost surely, 2^159313444 is an apocalyptic number.

It is an amenable number.

159313444 is a deficient number, since it is larger than the sum of its proper divisors (119485090).

159313444 is a wasteful number, since it uses less digits than its factorization.

159313444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39828365 (or 39828363 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The square root of 159313444 is about 12621.9429566133. The cubic root of 159313444 is about 542.1059101411.

The spelling of 159313444 in words is "one hundred fifty-nine million, three hundred thirteen thousand, four hundred forty-four".