159318 has 24 divisors (see below), whose sum is σ = 353808. Its totient is φ = 51792.

The previous prime is 159311. The next prime is 159319. The reversal of 159318 is 813951.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 159291 and 159300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159311) by changing a digit.

159318 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 871 + ... + 1037.

It is an arithmetic number, because the mean of its divisors is an integer number (14742).

2¹⁵⁹³¹⁸ is an apocalyptic number.

159318 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

159318 is an abundant number, since it is smaller than the sum of its proper divisors (194490).

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

159318 is a wasteful number, since it uses less digits than its factorization.

159318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228 (or 225 counting only the distinct ones).

The product of its digits is 1080, while the sum is 27.

The square root of 159318 is about 399.1465896134. The cubic root of 159318 is about 54.2111077755.

It can be divided in two parts, 1 and 59318, that added together give a cube (59319 = 39³).

The spelling of 159318 in words is "one hundred fifty-nine thousand, three hundred eighteen".