45670565 has 4 divisors (see below), whose sum is σ = 54804684. Its totient is φ = 36536448.

The previous prime is 45670531. The next prime is 45670579. The reversal of 45670565 is 56507654.

It is a Cunningham number, because it is equal to 6758²+1.

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 16434916 + 29235649 = 4054^2 + 5407^2 .

It is a cyclic number.

It is not a de Polignac number, because 45670565 - 2⁸ = 45670309 is a prime.

It is an alternating number because its digits alternate between even and odd.

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, 4567052 + ... + 4567061.

It is an arithmetic number, because the mean of its divisors is an integer number (13701171).

Almost surely, 2^45670565 is an apocalyptic number.

It is an amenable number.

45670565 is a deficient number, since it is larger than the sum of its proper divisors (9134119).

45670565 is an equidigital number, since it uses as much as digits as its factorization.

45670565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9134118.

The product of its (nonzero) digits is 126000, while the sum is 38.

The square root of 45670565 is about 6758.0000739864. Note that the first 4 decimals coincide. The cubic root of 45670565 is about 357.4473882184.

The spelling of 45670565 in words is "forty-five million, six hundred seventy thousand, five hundred sixty-five".