45123925 has 36 divisors (see below), whose sum is σ = 70321888. Its totient is φ = 28116000.

The previous prime is 45123893. The next prime is 45123961. The reversal of 45123925 is 52932154.

It is not a de Polignac number, because 45123925 - 2⁵ = 45123893 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 20110 + ... + 22240.

Almost surely, 2^45123925 is an apocalyptic number.

It is an amenable number.

45123925 is a deficient number, since it is larger than the sum of its proper divisors (25197963).

45123925 is a wasteful number, since it uses less digits than its factorization.

45123925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2170 (or 2154 counting only the distinct ones).

The product of its digits is 10800, while the sum is 31.

The square root of 45123925 is about 6717.4344060809. The cubic root of 45123925 is about 356.0155408146.

The spelling of 45123925 in words is "forty-five million, one hundred twenty-three thousand, nine hundred twenty-five".