159012 has 36 divisors (see below), whose sum is σ = 460096. Its totient is φ = 45360.

The previous prime is 158993. The next prime is 159013. The reversal of 159012 is 210951.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×159012² = 50569632288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (159013) by changing a digit.

159012 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, 64 + ... + 567.

2¹⁵⁹⁰¹² is an apocalyptic number.

159012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 159012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230048).

159012 is an abundant number, since it is smaller than the sum of its proper divisors (301084).

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

159012 is a wasteful number, since it uses less digits than its factorization.

159012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648 (or 643 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 159012 is about 398.7630875595. The cubic root of 159012 is about 54.1763780089.

Adding to 159012 its reverse (210951), we get a palindrome (369963).

The spelling of 159012 in words is "one hundred fifty-nine thousand, twelve".