45294909 has 16 divisors (see below), whose sum is σ = 66286080. Its totient is φ = 27283760.

The previous prime is 45294901. The next prime is 45294941. The reversal of 45294909 is 90949254.

It is a cyclic number.

It is not a de Polignac number, because 45294909 - 2³ = 45294901 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45294901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1402 + ... + 9620.

It is an arithmetic number, because the mean of its divisors is an integer number (4142880).

Almost surely, 2^45294909 is an apocalyptic number.

It is an amenable number.

45294909 is a deficient number, since it is larger than the sum of its proper divisors (20991171).

45294909 is a wasteful number, since it uses less digits than its factorization.

45294909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8400.

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 45294909 is about 6730.1492554029. The cubic root of 45294909 is about 356.4646465154.

The spelling of 45294909 in words is "forty-five million, two hundred ninety-four thousand, nine hundred nine".