457138 has 12 divisors (see below), whose sum is σ = 754110. Its totient is φ = 207680.

The previous prime is 457117. The next prime is 457139. The reversal of 457138 is 831754.

It can be written as a sum of positive squares in only one way, i.e., 393129 + 64009 = 627^2 + 253^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457139) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 703 + ... + 1186.

2⁴⁵⁷¹³⁸ is an apocalyptic number.

457138 is a deficient number, since it is larger than the sum of its proper divisors (296972).

457138 is a wasteful number, since it uses less digits than its factorization.

457138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1913 (or 1902 counting only the distinct ones).

The product of its digits is 3360, while the sum is 28.

The square root of 457138 is about 676.1198118677. The cubic root of 457138 is about 77.0339985915.

It can be divided in two parts, 457 and 138, that added together give a palindrome (595).

The spelling of 457138 in words is "four hundred fifty-seven thousand, one hundred thirty-eight".