45717565 has 4 divisors (see below), whose sum is σ = 54861084. Its totient is φ = 36574048.

The previous prime is 45717541. The next prime is 45717577. The reversal of 45717565 is 56571754.

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 18071001 + 27646564 = 4251^2 + 5258^2 .

It is a cyclic number.

It is not a de Polignac number, because 45717565 - 2¹¹ = 45715517 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, 4571752 + ... + 4571761.

It is an arithmetic number, because the mean of its divisors is an integer number (13715271).

Almost surely, 2^45717565 is an apocalyptic number.

It is an amenable number.

45717565 is a deficient number, since it is larger than the sum of its proper divisors (9143519).

45717565 is an equidigital number, since it uses as much as digits as its factorization.

45717565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9143518.

The product of its digits is 147000, while the sum is 40.

The square root of 45717565 is about 6761.4765399282. The cubic root of 45717565 is about 357.5699636491.

The spelling of 45717565 in words is "forty-five million, seven hundred seventeen thousand, five hundred sixty-five".