159873 has 16 divisors (see below), whose sum is σ = 254976. Its totient is φ = 87120.

The previous prime is 159871. The next prime is 159899. The reversal of 159873 is 378951.

It is not a de Polignac number, because 159873 - 2¹ = 159871 is a prime.

It is a super-2 number, since 2×159873² = 51118752258, which contains 22 as substring.

It is a Curzon number.

It is a plaindrome in base 13.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 318 + ... + 648.

It is an arithmetic number, because the mean of its divisors is an integer number (15936).

2¹⁵⁹⁸⁷³ is an apocalyptic number.

It is an amenable number.

159873 is a deficient number, since it is larger than the sum of its proper divisors (95103).

159873 is a wasteful number, since it uses less digits than its factorization.

159873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364.

The product of its digits is 7560, while the sum is 33.

The square root of 159873 is about 399.8412184855. The cubic root of 159873 is about 54.2739847366.

It can be divided in two parts, 15987 and 3, that multiplied together give a square (47961 = 219²).

The spelling of 159873 in words is "one hundred fifty-nine thousand, eight hundred seventy-three".