457997143 has 2 divisors, whose sum is σ = 457997144. Its totient is φ = 457997142.

The previous prime is 457997081. The next prime is 457997173. The reversal of 457997143 is 341799754.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 457997143 - 2²¹ = 455899991 is a prime.

It is a super-2 number, since 2×457997143² = 419522765992324898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (457997173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228998571 + 228998572.

It is an arithmetic number, because the mean of its divisors is an integer number (228998572).

Almost surely, 2^457997143 is an apocalyptic number.

457997143 is a deficient number, since it is larger than the sum of its proper divisors (1).

457997143 is an equidigital number, since it uses as much as digits as its factorization.

457997143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 952560, while the sum is 49.

The square root of 457997143 is about 21400.8678095072. The cubic root of 457997143 is about 770.8222750151.

The spelling of 457997143 in words is "four hundred fifty-seven million, nine hundred ninety-seven thousand, one hundred forty-three".