457949243 has 2 divisors, whose sum is σ = 457949244. Its totient is φ = 457949242.

The previous prime is 457949231. The next prime is 457949273. The reversal of 457949243 is 342949754.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 457949243 - 2²⁴ = 441172027 is a prime.

It is not a weakly prime, because it can be changed into another prime (457949273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228974621 + 228974622.

It is an arithmetic number, because the mean of its divisors is an integer number (228974622).

Almost surely, 2^457949243 is an apocalyptic number.

457949243 is a deficient number, since it is larger than the sum of its proper divisors (1).

457949243 is an equidigital number, since it uses as much as digits as its factorization.

457949243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 47.

The square root of 457949243 is about 21399.7486667484. The cubic root of 457949243 is about 770.7954017221.

The spelling of 457949243 in words is "four hundred fifty-seven million, nine hundred forty-nine thousand, two hundred forty-three".