45669623 has 4 divisors (see below), whose sum is σ = 46531368. Its totient is φ = 44807880.

The previous prime is 45669619. The next prime is 45669641. The reversal of 45669623 is 32696654.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45669623 - 2² = 45669619 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45669653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 430793 + ... + 430898.

It is an arithmetic number, because the mean of its divisors is an integer number (11632842).

Almost surely, 2^45669623 is an apocalyptic number.

45669623 is a deficient number, since it is larger than the sum of its proper divisors (861745).

45669623 is an equidigital number, since it uses as much as digits as its factorization.

45669623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861744.

The product of its digits is 233280, while the sum is 41.

The square root of 45669623 is about 6757.9303784517. The cubic root of 45669623 is about 357.4449306344. Note that the first 3 decimals are identical.

The spelling of 45669623 in words is "forty-five million, six hundred sixty-nine thousand, six hundred twenty-three".