45587609 has 4 divisors (see below), whose sum is σ = 46229760. Its totient is φ = 44945460.

The previous prime is 45587599. The next prime is 45587617. The reversal of 45587609 is 90678554.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90678554 = 2 ⋅45339277.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45587609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45587609.

It is not an unprimeable number, because it can be changed into a prime (45587209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320969 + ... + 321110.

It is an arithmetic number, because the mean of its divisors is an integer number (11557440).

Almost surely, 2^45587609 is an apocalyptic number.

It is an amenable number.

45587609 is a deficient number, since it is larger than the sum of its proper divisors (642151).

45587609 is an equidigital number, since it uses as much as digits as its factorization.

45587609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642150.

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 45587609 is about 6751.8596697503. The cubic root of 45587609 is about 357.2308346080.

It can be divided in two parts, 4558 and 7609, that added together give a cube (12167 = 23³).

The spelling of 45587609 in words is "forty-five million, five hundred eighty-seven thousand, six hundred nine".