45165663 has 12 divisors (see below), whose sum is σ = 65850408. Its totient is φ = 29828400.

The previous prime is 45165649. The next prime is 45165671. The reversal of 45165663 is 36656154.

It is not a de Polignac number, because 45165663 - 2²¹ = 43068511 is a prime.

It is a super-2 number, since 2×45165663² = 4079874228459138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45165683) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22488 + ... + 24413.

It is an arithmetic number, because the mean of its divisors is an integer number (5487534).

Almost surely, 2^45165663 is an apocalyptic number.

45165663 is a deficient number, since it is larger than the sum of its proper divisors (20684745).

45165663 is a wasteful number, since it uses less digits than its factorization.

45165663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47014 (or 47011 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 45165663 is about 6720.5403800587. The cubic root of 45165663 is about 356.1252741585.

The spelling of 45165663 in words is "forty-five million, one hundred sixty-five thousand, six hundred sixty-three".