457536146 has 4 divisors (see below), whose sum is σ = 686304222. Its totient is φ = 228768072.

The previous prime is 457536139. The next prime is 457536203. The reversal of 457536146 is 641635754.

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

It can be written as a sum of positive squares in only one way, i.e., 317374225 + 140161921 = 17815^2 + 11839^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114384035 + ... + 114384038.

Almost surely, 2^457536146 is an apocalyptic number.

457536146 is a deficient number, since it is larger than the sum of its proper divisors (228768076).

457536146 is a wasteful number, since it uses less digits than its factorization.

457536146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228768075.

The product of its digits is 302400, while the sum is 41.

The square root of 457536146 is about 21390.0945766960. The cubic root of 457536146 is about 770.5635644873.

The spelling of 457536146 in words is "four hundred fifty-seven million, five hundred thirty-six thousand, one hundred forty-six".