457286443 has 2 divisors, whose sum is σ = 457286444. Its totient is φ = 457286442.

The previous prime is 457286429. The next prime is 457286449. The reversal of 457286443 is 344682754.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-457286443 is a prime.

It is a super-2 number, since 2×457286443² = 418221781903184498, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 457286443.

It is not a weakly prime, because it can be changed into another prime (457286449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228643221 + 228643222.

It is an arithmetic number, because the mean of its divisors is an integer number (228643222).

Almost surely, 2^457286443 is an apocalyptic number.

457286443 is a deficient number, since it is larger than the sum of its proper divisors (1).

457286443 is an equidigital number, since it uses as much as digits as its factorization.

457286443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 645120, while the sum is 43.

The square root of 457286443 is about 21384.2568961374. The cubic root of 457286443 is about 770.4233591364.

The spelling of 457286443 in words is "four hundred fifty-seven million, two hundred eighty-six thousand, four hundred forty-three".