457943 has 2 divisors, whose sum is σ = 457944. Its totient is φ = 457942.

The previous prime is 457913. The next prime is 457979. The reversal of 457943 is 349754.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 457943 - 2⁸ = 457687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (457903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228971 + 228972.

It is an arithmetic number, because the mean of its divisors is an integer number (228972).

2⁴⁵⁷⁹⁴³ is an apocalyptic number.

457943 is a deficient number, since it is larger than the sum of its proper divisors (1).

457943 is an equidigital number, since it uses as much as digits as its factorization.

457943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 32.

The square root of 457943 is about 676.7148587108. The cubic root of 457943 is about 77.0791899080.

It can be divided in two parts, 45 and 7943, that multiplied together give a triangular number (357435 = T₈₄₅).

The spelling of 457943 in words is "four hundred fifty-seven thousand, nine hundred forty-three".