45666123 has 4 divisors (see below), whose sum is σ = 60888168. Its totient is φ = 30444080.

The previous prime is 45666107. The next prime is 45666133. The reversal of 45666123 is 32166654.

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 45666123 - 2⁴ = 45666107 is a prime.

It is a super-2 number, since 2×45666123² = 4170789579702258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45666133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7611018 + ... + 7611023.

It is an arithmetic number, because the mean of its divisors is an integer number (15222042).

Almost surely, 2^45666123 is an apocalyptic number.

45666123 is a deficient number, since it is larger than the sum of its proper divisors (15222045).

45666123 is a wasteful number, since it uses less digits than its factorization.

45666123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15222044.

The product of its digits is 25920, while the sum is 33.

The square root of 45666123 is about 6757.6714184695. The cubic root of 45666123 is about 357.4357991874.

The spelling of 45666123 in words is "forty-five million, six hundred sixty-six thousand, one hundred twenty-three".