152257 has 4 divisors (see below), whose sum is σ = 174016. Its totient is φ = 130500.

The previous prime is 152249. The next prime is 152267. The reversal of 152257 is 752251.

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 a cyclic number.

It is not a de Polignac number, because 152257 - 2³ = 152249 is a prime.

It is a Duffinian number.

152257 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (152267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10869 + ... + 10882.

It is an arithmetic number, because the mean of its divisors is an integer number (43504).

2¹⁵²²⁵⁷ is an apocalyptic number.

It is an amenable number.

152257 is a deficient number, since it is larger than the sum of its proper divisors (21759).

152257 is an equidigital number, since it uses as much as digits as its factorization.

152257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21758.

The product of its digits is 700, while the sum is 22.

The square root of 152257 is about 390.2012301365. The cubic root of 152257 is about 53.3980940746.

The spelling of 152257 in words is "one hundred fifty-two thousand, two hundred fifty-seven".