45121328 has 20 divisors (see below), whose sum is σ = 99911760. Its totient is φ = 19337664.

The previous prime is 45121327. The next prime is 45121343. The reversal of 45121328 is 82312154.

45121328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 45121297 and 45121306.

It is not an unprimeable number, because it can be changed into a prime (45121327) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 201323 + ... + 201546.

It is an arithmetic number, because the mean of its divisors is an integer number (4995588).

Almost surely, 2^45121328 is an apocalyptic number.

It is an amenable number.

45121328 is an abundant number, since it is smaller than the sum of its proper divisors (54790432).

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

45121328 is a wasteful number, since it uses less digits than its factorization.

45121328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402884 (or 402878 counting only the distinct ones).

The product of its digits is 1920, while the sum is 26.

The square root of 45121328 is about 6717.2411003328. The cubic root of 45121328 is about 356.0087108082.

The spelling of 45121328 in words is "forty-five million, one hundred twenty-one thousand, three hundred twenty-eight".