457857814 has 4 divisors (see below), whose sum is σ = 686786724. Its totient is φ = 228928906.

The previous prime is 457857811. The next prime is 457857847. The reversal of 457857814 is 418758754.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (457857811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114464452 + ... + 114464455.

It is an arithmetic number, because the mean of its divisors is an integer number (171696681).

Almost surely, 2^457857814 is an apocalyptic number.

457857814 is a deficient number, since it is larger than the sum of its proper divisors (228928910).

457857814 is a wasteful number, since it uses less digits than its factorization.

457857814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228928909.

The product of its digits is 1254400, while the sum is 49.

The square root of 457857814 is about 21397.6123434368. The cubic root of 457857814 is about 770.7441021918.

The spelling of 457857814 in words is "four hundred fifty-seven million, eight hundred fifty-seven thousand, eight hundred fourteen".