45609185 has 4 divisors (see below), whose sum is σ = 54731028. Its totient is φ = 36487344.

The previous prime is 45609167. The next prime is 45609191. The reversal of 45609185 is 58190654.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21911761 + 23697424 = 4681^2 + 4868^2 .

It is a cyclic number.

It is not a de Polignac number, because 45609185 - 2¹⁴ = 45592801 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4560914 + ... + 4560923.

It is an arithmetic number, because the mean of its divisors is an integer number (13682757).

Almost surely, 2^45609185 is an apocalyptic number.

It is an amenable number.

45609185 is a deficient number, since it is larger than the sum of its proper divisors (9121843).

45609185 is an equidigital number, since it uses as much as digits as its factorization.

45609185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9121842.

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 45609185 is about 6753.4572627655. The cubic root of 45609185 is about 357.2871832300.

The spelling of 45609185 in words is "forty-five million, six hundred nine thousand, one hundred eighty-five".