45065565 has 48 divisors (see below), whose sum is σ = 83865600. Its totient is φ = 23188032.

The previous prime is 45065563. The next prime is 45065567. The reversal of 45065565 is 56556054.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (45065563) and next prime (45065567).

It is not a de Polignac number, because 45065565 - 2¹ = 45065563 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45065563) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34596 + ... + 35874.

It is an arithmetic number, because the mean of its divisors is an integer number (1747200).

Almost surely, 2^45065565 is an apocalyptic number.

45065565 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45065565 is a deficient number, since it is larger than the sum of its proper divisors (38800035).

45065565 is a wasteful number, since it uses less digits than its factorization.

45065565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328 (or 1316 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The square root of 45065565 is about 6713.0890802968. The cubic root of 45065565 is about 355.8619930711.

The spelling of 45065565 in words is "forty-five million, sixty-five thousand, five hundred sixty-five".