45028906 has 32 divisors (see below), whose sum is σ = 76014288. Its totient is φ = 19868160.

The previous prime is 45028861. The next prime is 45028939. The reversal of 45028906 is 60982054.

It is a happy number.

45028906 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 8 ways, for example, as 7317025 + 37711881 = 2705^2 + 6141^2 .

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 15 ways as a sum of consecutive naturals, for example, 56100 + ... + 56896.

Almost surely, 2^45028906 is an apocalyptic number.

45028906 is a deficient number, since it is larger than the sum of its proper divisors (30985382).

45028906 is a wasteful number, since it uses less digits than its factorization.

45028906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 45028906 is about 6710.3581126494. The cubic root of 45028906 is about 355.7654738201.

The spelling of 45028906 in words is "forty-five million, twenty-eight thousand, nine hundred six".