457546 has 4 divisors (see below), whose sum is σ = 686322. Its totient is φ = 228772.

The previous prime is 457517. The next prime is 457547. The reversal of 457546 is 645754.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 645754 = 2 ⋅322877.

It can be written as a sum of positive squares in only one way, i.e., 245025 + 212521 = 495^2 + 461^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (457547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114385 + ... + 114388.

2⁴⁵⁷⁵⁴⁶ is an apocalyptic number.

457546 is a deficient number, since it is larger than the sum of its proper divisors (228776).

457546 is a wasteful number, since it uses less digits than its factorization.

457546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228775.

The product of its digits is 16800, while the sum is 31.

The square root of 457546 is about 676.4214662472. The cubic root of 457546 is about 77.0569096348.

The spelling of 457546 in words is "four hundred fifty-seven thousand, five hundred forty-six".