457143811 has 2 divisors, whose sum is σ = 457143812. Its totient is φ = 457143810.

The previous prime is 457143803. The next prime is 457143823. The reversal of 457143811 is 118341754.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 457143811 - 2³ = 457143803 is a prime.

It is not a weakly prime, because it can be changed into another prime (457143611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228571905 + 228571906.

It is an arithmetic number, because the mean of its divisors is an integer number (228571906).

Almost surely, 2^457143811 is an apocalyptic number.

457143811 is a deficient number, since it is larger than the sum of its proper divisors (1).

457143811 is an equidigital number, since it uses as much as digits as its factorization.

457143811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13440, while the sum is 34.

The square root of 457143811 is about 21380.9216592737. The cubic root of 457143811 is about 770.3432500107.

The spelling of 457143811 in words is "four hundred fifty-seven million, one hundred forty-three thousand, eight hundred eleven".