45731565 has 24 divisors (see below), whose sum is σ = 86475168. Its totient is φ = 22172640.

The previous prime is 45731563. The next prime is 45731573. The reversal of 45731565 is 56513754.

It is not a de Polignac number, because 45731565 - 2¹ = 45731563 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45731561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45699 + ... + 46688.

It is an arithmetic number, because the mean of its divisors is an integer number (3603132).

Almost surely, 2^45731565 is an apocalyptic number.

45731565 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45731565 is a deficient number, since it is larger than the sum of its proper divisors (40743603).

45731565 is a wasteful number, since it uses less digits than its factorization.

45731565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92409 (or 92406 counting only the distinct ones).

The product of its digits is 63000, while the sum is 36.

The square root of 45731565 is about 6762.5117375129. The cubic root of 45731565 is about 357.6064592395.

The spelling of 45731565 in words is "forty-five million, seven hundred thirty-one thousand, five hundred sixty-five".