457243 has 4 divisors (see below), whose sum is σ = 473040. Its totient is φ = 441448.

The previous prime is 457241. The next prime is 457253. The reversal of 457243 is 342754.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 457243 - 2¹ = 457241 is a prime.

It is a super-2 number, since 2×457243² = 418142322098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (457241) 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, 7855 + ... + 7912.

It is an arithmetic number, because the mean of its divisors is an integer number (118260).

2⁴⁵⁷²⁴³ is an apocalyptic number.

457243 is a deficient number, since it is larger than the sum of its proper divisors (15797).

457243 is a wasteful number, since it uses less digits than its factorization.

457243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15796.

The product of its digits is 3360, while the sum is 25.

The square root of 457243 is about 676.1974563691. The cubic root of 457243 is about 77.0398961182.

Adding to 457243 its reverse (342754), we get a palindrome (799997).

The spelling of 457243 in words is "four hundred fifty-seven thousand, two hundred forty-three".