1477445457 has 16 divisors (see below), whose sum is σ = 2069203968. Its totient is φ = 935893200.

The previous prime is 1477445447. The next prime is 1477445477. The reversal of 1477445457 is 7545447741.

It is a happy number.

It is not a de Polignac number, because 1477445457 - 2⁸ = 1477445201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1477445447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60483 + ... + 81320.

It is an arithmetic number, because the mean of its divisors is an integer number (129325248).

Almost surely, 2^1477445457 is an apocalyptic number.

It is an amenable number.

1477445457 is a deficient number, since it is larger than the sum of its proper divisors (591758511).

1477445457 is a wasteful number, since it uses less digits than its factorization.

1477445457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141980.

The product of its digits is 2195200, while the sum is 48.

The square root of 1477445457 is about 38437.5526926468. The cubic root of 1477445457 is about 1138.9477972140.

The spelling of 1477445457 in words is "one billion, four hundred seventy-seven million, four hundred forty-five thousand, four hundred fifty-seven".