45123892 has 12 divisors (see below), whose sum is σ = 86145696. Its totient is φ = 20510840.

The previous prime is 45123889. The next prime is 45123893. The reversal of 45123892 is 29832154.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45123893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 512728 + ... + 512815.

It is an arithmetic number, because the mean of its divisors is an integer number (7178808).

Almost surely, 2^45123892 is an apocalyptic number.

It is an amenable number.

45123892 is a deficient number, since it is larger than the sum of its proper divisors (41021804).

45123892 is a wasteful number, since it uses less digits than its factorization.

45123892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025558 (or 1025556 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 45123892 is about 6717.4319497856. The cubic root of 45123892 is about 356.0154540276.

The spelling of 45123892 in words is "forty-five million, one hundred twenty-three thousand, eight hundred ninety-two".