159228 has 18 divisors (see below), whose sum is σ = 402584. Its totient is φ = 53064.

The previous prime is 159227. The next prime is 159233. The reversal of 159228 is 822951.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 159228.

It is not an unprimeable number, because it can be changed into a prime (159223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2176 + ... + 2247.

2¹⁵⁹²²⁸ is an apocalyptic number.

159228 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

159228 is an abundant number, since it is smaller than the sum of its proper divisors (243356).

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

159228 is a wasteful number, since it uses less digits than its factorization.

159228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4433 (or 4428 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 159228 is about 399.0338331520. The cubic root of 159228 is about 54.2008977579.

Subtracting from 159228 its sum of digits (27), we obtain a square (159201 = 399²).

The spelling of 159228 in words is "one hundred fifty-nine thousand, two hundred twenty-eight".