254157 has 4 divisors (see below), whose sum is σ = 338880. Its totient is φ = 169436.

The previous prime is 254147. The next prime is 254161. The reversal of 254157 is 751452.

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 254157 - 2⁴ = 254141 is a prime.

It is a D-number.

254157 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254147) 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, 42357 + ... + 42362.

It is an arithmetic number, because the mean of its divisors is an integer number (84720).

2²⁵⁴¹⁵⁷ is an apocalyptic number.

It is an amenable number.

254157 is a deficient number, since it is larger than the sum of its proper divisors (84723).

254157 is an equidigital number, since it uses as much as digits as its factorization.

254157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84722.

The product of its digits is 1400, while the sum is 24.

The square root of 254157 is about 504.1398615464. The cubic root of 254157 is about 63.3433009858.

The spelling of 254157 in words is "two hundred fifty-four thousand, one hundred fifty-seven".