159489 has 20 divisors (see below), whose sum is σ = 261360. Its totient is φ = 96120.

The previous prime is 159473. The next prime is 159491. The reversal of 159489 is 984951.

It is not a de Polignac number, because 159489 - 2⁴ = 159473 is a prime.

It is a super-2 number, since 2×159489² = 50873482242, which contains 22 as substring.

It is a Curzon number.

It is a nialpdrome in base 11.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 159489.

It is not an unprimeable number, because it can be changed into a prime (159469) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 802 + ... + 980.

It is an arithmetic number, because the mean of its divisors is an integer number (13068).

2¹⁵⁹⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

159489 is a deficient number, since it is larger than the sum of its proper divisors (101871).

159489 is a wasteful number, since it uses less digits than its factorization.

159489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 193 counting only the distinct ones).

The product of its digits is 12960, while the sum is 36.

The square root of 159489 is about 399.3607391820. The cubic root of 159489 is about 54.2304962204.

The spelling of 159489 in words is "one hundred fifty-nine thousand, four hundred eighty-nine".