45129332 has 18 divisors (see below), whose sum is σ = 83354418. Its totient is φ = 21376368.

The previous prime is 45129311. The next prime is 45129349. The reversal of 45129332 is 23392154.

45129332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 40271716 + 4857616 = 6346^2 + 2204^2 .

It is a junction number, because it is equal to n+sod(n) for n = 45129295 and 45129304.

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 5 ways as a sum of consecutive naturals, for example, 14183 + ... + 17070.

It is an arithmetic number, because the mean of its divisors is an integer number (4630801).

Almost surely, 2^45129332 is an apocalyptic number.

It is an amenable number.

45129332 is a deficient number, since it is larger than the sum of its proper divisors (38225086).

45129332 is a wasteful number, since it uses less digits than its factorization.

45129332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31295 (or 31274 counting only the distinct ones).

The product of its digits is 6480, while the sum is 29.

The square root of 45129332 is about 6717.8368542262. The cubic root of 45129332 is about 356.0297601683.

The spelling of 45129332 in words is "forty-five million, one hundred twenty-nine thousand, three hundred thirty-two".