45412609 has 8 divisors (see below), whose sum is σ = 50353920. Its totient is φ = 40606800.

The previous prime is 45412589. The next prime is 45412621. The reversal of 45412609 is 90621454.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45412609 - 2²⁵ = 11858177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45412639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33169 + ... + 34510.

It is an arithmetic number, because the mean of its divisors is an integer number (6294240).

Almost surely, 2^45412609 is an apocalyptic number.

It is an amenable number.

45412609 is a deficient number, since it is larger than the sum of its proper divisors (4941311).

45412609 is a wasteful number, since it uses less digits than its factorization.

45412609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67751.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 45412609 is about 6738.8878162498. The cubic root of 45412609 is about 356.7731403472.

The spelling of 45412609 in words is "forty-five million, four hundred twelve thousand, six hundred nine".