457854139 has 2 divisors, whose sum is σ = 457854140. Its totient is φ = 457854138.

The previous prime is 457854113. The next prime is 457854151. The reversal of 457854139 is 931458754.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 457854139 - 2⁵ = 457854107 is a prime.

It is not a weakly prime, because it can be changed into another prime (457854179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228927069 + 228927070.

It is an arithmetic number, because the mean of its divisors is an integer number (228927070).

Almost surely, 2^457854139 is an apocalyptic number.

457854139 is a deficient number, since it is larger than the sum of its proper divisors (1).

457854139 is an equidigital number, since it uses as much as digits as its factorization.

457854139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 604800, while the sum is 46.

The square root of 457854139 is about 21397.5264691973. The cubic root of 457854139 is about 770.7420400580.

The spelling of 457854139 in words is "four hundred fifty-seven million, eight hundred fifty-four thousand, one hundred thirty-nine".