457347443 has 4 divisors (see below), whose sum is σ = 522682800. Its totient is φ = 392012088.

The previous prime is 457347421. The next prime is 457347463. The reversal of 457347443 is 344743754.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 344743754 = 2 ⋅172371877.

It is a cyclic number.

It is not a de Polignac number, because 457347443 - 2²⁴ = 440570227 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 457347443.

It is not an unprimeable number, because it can be changed into a prime (457347403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32667668 + ... + 32667681.

It is an arithmetic number, because the mean of its divisors is an integer number (130670700).

Almost surely, 2^457347443 is an apocalyptic number.

457347443 is a deficient number, since it is larger than the sum of its proper divisors (65335357).

457347443 is an equidigital number, since it uses as much as digits as its factorization.

457347443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65335356.

The product of its digits is 564480, while the sum is 41.

The square root of 457347443 is about 21385.6831314784. The cubic root of 457347443 is about 770.4576146424.

The spelling of 457347443 in words is "four hundred fifty-seven million, three hundred forty-seven thousand, four hundred forty-three".