159257 has 4 divisors (see below), whose sum is σ = 182016. Its totient is φ = 136500.

The previous prime is 159233. The next prime is 159287. The reversal of 159257 is 752951.

159257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 159257 - 2⁶ = 159193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (159227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11369 + ... + 11382.

It is an arithmetic number, because the mean of its divisors is an integer number (45504).

2¹⁵⁹²⁵⁷ is an apocalyptic number.

It is an amenable number.

159257 is a deficient number, since it is larger than the sum of its proper divisors (22759).

159257 is an equidigital number, since it uses as much as digits as its factorization.

159257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22758.

The product of its digits is 3150, while the sum is 29.

The square root of 159257 is about 399.0701692685. The cubic root of 159257 is about 54.2041880725.

The spelling of 159257 in words is "one hundred fifty-nine thousand, two hundred fifty-seven".