45669 has 8 divisors (see below), whose sum is σ = 65632. Its totient is φ = 28080.

The previous prime is 45667. The next prime is 45673. The reversal of 45669 is 96654.

45669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 45669 - 2¹ = 45667 is a prime.

It is a super-2 number, since 2×45669² = 4171315122, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 10.

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, 547 + ... + 624.

It is an arithmetic number, because the mean of its divisors is an integer number (8204).

2⁴⁵⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

45669 is a deficient number, since it is larger than the sum of its proper divisors (19963).

45669 is a wasteful number, since it uses less digits than its factorization.

45669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1187.

The product of its digits is 6480, while the sum is 30.

The square root of 45669 is about 213.7030650225. The cubic root of 45669 is about 35.7443305271.

It can be divided in two parts, 456 and 69, that added together give a palindrome (525).

The spelling of 45669 in words is "forty-five thousand, six hundred sixty-nine".