159256289 has 16 divisors (see below), whose sum is σ = 172121040. Its totient is φ = 146810880.

The previous prime is 159256283. The next prime is 159256291. The reversal of 159256289 is 982652951.

It can be written as a sum of positive squares in 8 ways, for example, as 20205025 + 139051264 = 4495^2 + 11792^2 .

It is a cyclic number.

It is not a de Polignac number, because 159256289 - 2¹² = 159252193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (159256283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224267 + ... + 224975.

It is an arithmetic number, because the mean of its divisors is an integer number (10757565).

Almost surely, 2^159256289 is an apocalyptic number.

It is an amenable number.

159256289 is a deficient number, since it is larger than the sum of its proper divisors (12864751).

159256289 is a wasteful number, since it uses less digits than its factorization.

159256289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980.

The product of its digits is 388800, while the sum is 47.

The square root of 159256289 is about 12619.6786409163. The cubic root of 159256289 is about 542.0410740784.

The spelling of 159256289 in words is "one hundred fifty-nine million, two hundred fifty-six thousand, two hundred eighty-nine".