45075009 has 16 divisors (see below), whose sum is σ = 71672832. Its totient is φ = 24637008.

The previous prime is 45074999. The next prime is 45075013. The reversal of 45075009 is 90057054.

45075009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45075009 - 2⁴ = 45074993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45075089) 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 15 ways as a sum of consecutive naturals, for example, 46179 + ... + 47144.

It is an arithmetic number, because the mean of its divisors is an integer number (4479552).

Almost surely, 2^45075009 is an apocalyptic number.

It is an amenable number.

45075009 is a deficient number, since it is larger than the sum of its proper divisors (26597823).

45075009 is a wasteful number, since it uses less digits than its factorization.

45075009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93356.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 45075009 is about 6713.7924454067. The cubic root of 45075009 is about 355.8868496398.

The spelling of 45075009 in words is "forty-five million, seventy-five thousand, nine".