45288609 has 8 divisors (see below), whose sum is σ = 63563040. Its totient is φ = 28603296.

The previous prime is 45288599. The next prime is 45288623. The reversal of 45288609 is 90688254.

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

It is not a de Polignac number, because 45288609 - 2¹² = 45284513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45288709) 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, 397212 + ... + 397325.

It is an arithmetic number, because the mean of its divisors is an integer number (7945380).

Almost surely, 2^45288609 is an apocalyptic number.

It is an amenable number.

45288609 is a deficient number, since it is larger than the sum of its proper divisors (18274431).

45288609 is a wasteful number, since it uses less digits than its factorization.

45288609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794559.

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 45288609 is about 6729.6811960152. The cubic root of 45288609 is about 356.4481190407.

The spelling of 45288609 in words is "forty-five million, two hundred eighty-eight thousand, six hundred nine".