45645365 has 4 divisors (see below), whose sum is σ = 54774444. Its totient is φ = 36516288.

The previous prime is 45645329. The next prime is 45645389. The reversal of 45645365 is 56354654.

It is a happy number.

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 10195249 + 35450116 = 3193^2 + 5954^2 .

It is a cyclic number.

It is not a de Polignac number, because 45645365 - 2⁸ = 45645109 is a prime.

It is a Duffinian number.

It is a congruent 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, 4564532 + ... + 4564541.

It is an arithmetic number, because the mean of its divisors is an integer number (13693611).

Almost surely, 2^45645365 is an apocalyptic number.

It is an amenable number.

45645365 is a deficient number, since it is larger than the sum of its proper divisors (9129079).

45645365 is an equidigital number, since it uses as much as digits as its factorization.

45645365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9129078.

The product of its digits is 216000, while the sum is 38.

The square root of 45645365 is about 6756.1353598044. The cubic root of 45645365 is about 357.3816322883.

The spelling of 45645365 in words is "forty-five million, six hundred forty-five thousand, three hundred sixty-five".