157256 has 16 divisors (see below), whose sum is σ = 321840. Its totient is φ = 71440.

The previous prime is 157253. The next prime is 157259. The reversal of 157256 is 652751.

It is an interprime number because it is at equal distance from previous prime (157253) and next prime (157259).

It is not an unprimeable number, because it can be changed into a prime (157253) 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, 806 + ... + 981.

It is an arithmetic number, because the mean of its divisors is an integer number (20115).

2¹⁵⁷²⁵⁶ is an apocalyptic number.

It is an amenable number.

157256 is an abundant number, since it is smaller than the sum of its proper divisors (164584).

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

157256 is a wasteful number, since it uses less digits than its factorization.

157256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804 (or 1800 counting only the distinct ones).

The product of its digits is 2100, while the sum is 26.

The square root of 157256 is about 396.5551664019. Note that the first 3 decimals coincide. The cubic root of 157256 is about 53.9762126598.

The spelling of 157256 in words is "one hundred fifty-seven thousand, two hundred fifty-six".