45138253925 has 24 divisors (see below), whose sum is σ = 59489376960. Its totient is φ = 33877872000.

The previous prime is 45138253921. The next prime is 45138253969. The reversal of 45138253925 is 52935283154.

It is a happy number.

It is not a de Polignac number, because 45138253925 - 2² = 45138253921 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 45138253925.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45138253921) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 412376 + ... + 510225.

It is an arithmetic number, because the mean of its divisors is an integer number (2478724040).

Almost surely, 2^45138253925 is an apocalyptic number.

It is an amenable number.

45138253925 is a deficient number, since it is larger than the sum of its proper divisors (14351123035).

45138253925 is a wasteful number, since it uses less digits than its factorization.

45138253925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922733 (or 922728 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 47.

The spelling of 45138253925 in words is "forty-five billion, one hundred thirty-eight million, two hundred fifty-three thousand, nine hundred twenty-five".