45510909 has 12 divisors (see below), whose sum is σ = 64044576. Its totient is φ = 28743048.

The previous prime is 45510893. The next prime is 45510911. The reversal of 45510909 is 90901554.

It is not a de Polignac number, because 45510909 - 2⁴ = 45510893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45510909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45510919) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19929 + ... + 22094.

It is an arithmetic number, because the mean of its divisors is an integer number (5337048).

Almost surely, 2^45510909 is an apocalyptic number.

It is an amenable number.

45510909 is a deficient number, since it is larger than the sum of its proper divisors (18533667).

45510909 is a wasteful number, since it uses less digits than its factorization.

45510909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42064 (or 42045 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 33.

The square root of 45510909 is about 6746.1773620325. The cubic root of 45510909 is about 357.0303781947.

The spelling of 45510909 in words is "forty-five million, five hundred ten thousand, nine hundred nine".