45142792 has 16 divisors (see below), whose sum is σ = 87561900. Its totient is φ = 21792960.

The previous prime is 45142781. The next prime is 45142807. The reversal of 45142792 is 29724154.

It can be written as a sum of positive squares in 2 ways, for example, as 38862756 + 6280036 = 6234^2 + 2506^2 .

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, 97059 + ... + 97522.

Almost surely, 2^45142792 is an apocalyptic number.

It is an amenable number.

45142792 is a deficient number, since it is larger than the sum of its proper divisors (42419108).

45142792 is a wasteful number, since it uses less digits than its factorization.

45142792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194616 (or 194612 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 45142792 is about 6718.8385901136. The cubic root of 45142792 is about 356.0651524067.

The spelling of 45142792 in words is "forty-five million, one hundred forty-two thousand, seven hundred ninety-two".