45125532 has 48 divisors (see below), whose sum is σ = 123155200. Its totient is φ = 14249520.

The previous prime is 45125519. The next prime is 45125569. The reversal of 45125532 is 23552154.

It is a happy number.

45125532 is a `hidden beast` number, since 4 + 5 + 125 + 532 = 666.

45125532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 45125496 and 45125505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8944 + ... + 13047.

Almost surely, 2^45125532 is an apocalyptic number.

It is an amenable number.

45125532 is an abundant number, since it is smaller than the sum of its proper divisors (78029668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45125532 is a wasteful number, since it uses less digits than its factorization.

45125532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22023 (or 22015 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 45125532 is about 6717.5540191352. The cubic root of 45125532 is about 356.0197670293.

Adding to 45125532 its reverse (23552154), we get a palindrome (68677686).

The spelling of 45125532 in words is "forty-five million, one hundred twenty-five thousand, five hundred thirty-two".