45809569 has 8 divisors (see below), whose sum is σ = 49519232. Its totient is φ = 42126480.

The previous prime is 45809567. The next prime is 45809591. The reversal of 45809569 is 96590854.

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 45809569 - 2¹ = 45809567 is a prime.

It is a super-2 number, since 2×45809569² = 4197033223931522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45809563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2979 + ... + 10024.

It is an arithmetic number, because the mean of its divisors is an integer number (6189904).

Almost surely, 2^45809569 is an apocalyptic number.

It is an amenable number.

45809569 is a deficient number, since it is larger than the sum of its proper divisors (3709663).

45809569 is a wasteful number, since it uses less digits than its factorization.

45809569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13287.

The product of its (nonzero) digits is 388800, while the sum is 46.

The square root of 45809569 is about 6768.2766639670. The cubic root of 45809569 is about 357.8096659984.

The spelling of 45809569 in words is "forty-five million, eight hundred nine thousand, five hundred sixty-nine".