457997165 has 8 divisors (see below), whose sum is σ = 553609080. Its totient is φ = 363722752.

The previous prime is 457997143. The next prime is 457997173. The reversal of 457997165 is 561799754.

It can be written as a sum of positive squares in 4 ways, for example, as 4605316 + 453391849 = 2146^2 + 21293^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 457997165 - 2⁸ = 457996909 is a prime.

It is a super-2 number, since 2×457997165² = 419522806296074450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333620 + ... + 334989.

It is an arithmetic number, because the mean of its divisors is an integer number (69201135).

Almost surely, 2^457997165 is an apocalyptic number.

It is an amenable number.

457997165 is a deficient number, since it is larger than the sum of its proper divisors (95611915).

457997165 is a wasteful number, since it uses less digits than its factorization.

457997165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668751.

The product of its digits is 2381400, while the sum is 53.

The square root of 457997165 is about 21400.8683235050. The cubic root of 457997165 is about 770.8222873573.

The spelling of 457997165 in words is "four hundred fifty-seven million, nine hundred ninety-seven thousand, one hundred sixty-five".