457157 has 4 divisors (see below), whose sum is σ = 471936. Its totient is φ = 442380.

The previous prime is 457153. The next prime is 457183. The reversal of 457157 is 751754.

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 457157 - 2² = 457153 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457151) 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, 7343 + ... + 7404.

It is an arithmetic number, because the mean of its divisors is an integer number (117984).

2⁴⁵⁷¹⁵⁷ is an apocalyptic number.

It is an amenable number.

457157 is a deficient number, since it is larger than the sum of its proper divisors (14779).

457157 is a wasteful number, since it uses less digits than its factorization.

457157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14778.

The product of its digits is 4900, while the sum is 29.

The square root of 457157 is about 676.1338624858. The cubic root of 457157 is about 77.0350658299.

The spelling of 457157 in words is "four hundred fifty-seven thousand, one hundred fifty-seven".