45663 has 8 divisors (see below), whose sum is σ = 62976. Its totient is φ = 29400.

The previous prime is 45659. The next prime is 45667. The reversal of 45663 is 36654.

It is an interprime number because it is at equal distance from previous prime (45659) and next prime (45667).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45663 - 2² = 45659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153 + ... + 338.

It is an arithmetic number, because the mean of its divisors is an integer number (7872).

2⁴⁵⁶⁶³ is an apocalyptic number.

45663 is a deficient number, since it is larger than the sum of its proper divisors (17313).

45663 is a wasteful number, since it uses less digits than its factorization.

45663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525.

The product of its digits is 2160, while the sum is 24.

The square root of 45663 is about 213.6890263912. The cubic root of 45663 is about 35.7427650934.

Subtracting from 45663 its reverse (36654), we obtain a palindrome (9009).

The spelling of 45663 in words is "forty-five thousand, six hundred sixty-three".