159872 has 16 divisors (see below), whose sum is σ = 318750. Its totient is φ = 79872.

The previous prime is 159871. The next prime is 159899. The reversal of 159872 is 278951.

It can be written as a sum of positive squares in only one way, i.e., 141376 + 18496 = 376^2 + 136^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (159871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497 + ... + 752.

2¹⁵⁹⁸⁷² is an apocalyptic number.

It is an amenable number.

159872 is a deficient number, since it is larger than the sum of its proper divisors (158878).

159872 is an equidigital number, since it uses as much as digits as its factorization.

159872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263 (or 1251 counting only the distinct ones).

The product of its digits is 5040, while the sum is 32.

The square root of 159872 is about 399.8399679872. The cubic root of 159872 is about 54.2738715757.

The spelling of 159872 in words is "one hundred fifty-nine thousand, eight hundred seventy-two".