45501565 has 4 divisors (see below), whose sum is σ = 54601884. Its totient is φ = 36401248.

The previous prime is 45501563. The next prime is 45501581. The reversal of 45501565 is 56510554.

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 23242041 + 22259524 = 4821^2 + 4718^2 .

It is a cyclic number.

It is not a de Polignac number, because 45501565 - 2¹ = 45501563 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45501563) 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, 4550152 + ... + 4550161.

It is an arithmetic number, because the mean of its divisors is an integer number (13650471).

Almost surely, 2^45501565 is an apocalyptic number.

It is an amenable number.

45501565 is a deficient number, since it is larger than the sum of its proper divisors (9100319).

45501565 is an equidigital number, since it uses as much as digits as its factorization.

45501565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9100318.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 45501565 is about 6745.4847861366. The cubic root of 45501565 is about 357.0059421473.

The spelling of 45501565 in words is "forty-five million, five hundred one thousand, five hundred sixty-five".