45478052 has 12 divisors (see below), whose sum is σ = 79648716. Its totient is φ = 22721280.

The previous prime is 45477997. The next prime is 45478087. The reversal of 45478052 is 25087454.

45478052 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 2 ways, for example, as 1308736 + 44169316 = 1144^2 + 6646^2 .

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 3 ways as a sum of consecutive naturals, for example, 2552 + ... + 9872.

It is an arithmetic number, because the mean of its divisors is an integer number (6637393).

Almost surely, 2^45478052 is an apocalyptic number.

It is an amenable number.

45478052 is a deficient number, since it is larger than the sum of its proper divisors (34170664).

45478052 is a wasteful number, since it uses less digits than its factorization.

45478052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8878 (or 8876 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 35.

The square root of 45478052 is about 6743.7416913758. The cubic root of 45478052 is about 356.9444371049.

The spelling of 45478052 in words is "forty-five million, four hundred seventy-eight thousand, fifty-two".