45311565 has 16 divisors (see below), whose sum is σ = 78075648. Its totient is φ = 22307136.

The previous prime is 45311557. The next prime is 45311573. The reversal of 45311565 is 56511354.

It is an interprime number because it is at equal distance from previous prime (45311557) and next prime (45311573).

It is not a de Polignac number, because 45311565 - 2³ = 45311557 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115989 + ... + 116378.

It is an arithmetic number, because the mean of its divisors is an integer number (4879728).

Almost surely, 2^45311565 is an apocalyptic number.

It is an amenable number.

45311565 is a deficient number, since it is larger than the sum of its proper divisors (32764083).

45311565 is a wasteful number, since it uses less digits than its factorization.

45311565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232388.

The product of its digits is 9000, while the sum is 30.

The square root of 45311565 is about 6731.3865585034. The cubic root of 45311565 is about 356.5083346302.

The spelling of 45311565 in words is "forty-five million, three hundred eleven thousand, five hundred sixty-five".