159285 has 32 divisors (see below), whose sum is σ = 306432. Its totient is φ = 69120.

The previous prime is 159233. The next prime is 159287. The reversal of 159285 is 582951.

It is not a de Polignac number, because 159285 - 2⁷ = 159157 is a prime.

It is a super-2 number, since 2×159285² = 50743422450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159287) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3865 + ... + 3905.

It is an arithmetic number, because the mean of its divisors is an integer number (9576).

2¹⁵⁹²⁸⁵ is an apocalyptic number.

159285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

159285 is a deficient number, since it is larger than the sum of its proper divisors (147147).

159285 is a wasteful number, since it uses less digits than its factorization.

159285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93.

The product of its digits is 3600, while the sum is 30.

The square root of 159285 is about 399.1052492764. The cubic root of 159285 is about 54.2073645490.

It can be divided in two parts, 159 and 285, that added together give a palindrome (444).

The spelling of 159285 in words is "one hundred fifty-nine thousand, two hundred eighty-five".