45451792 has 20 divisors (see below), whose sum is σ = 88169580. Its totient is φ = 22698368.

The previous prime is 45451753. The next prime is 45451843. The reversal of 45451792 is 29715454.

It can be written as a sum of positive squares in 2 ways, for example, as 29419776 + 16032016 = 5424^2 + 4004^2 .

It is a super-2 number, since 2×45451792² = 4131730792022528, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20934 + ... + 23002.

It is an arithmetic number, because the mean of its divisors is an integer number (4408479).

Almost surely, 2^45451792 is an apocalyptic number.

It is an amenable number.

45451792 is a deficient number, since it is larger than the sum of its proper divisors (42717788).

45451792 is a wasteful number, since it uses less digits than its factorization.

45451792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3450 (or 3444 counting only the distinct ones).

The product of its digits is 50400, while the sum is 37.

The square root of 45451792 is about 6741.7944198856. The cubic root of 45451792 is about 356.8757214262.

The spelling of 45451792 in words is "forty-five million, four hundred fifty-one thousand, seven hundred ninety-two".