45666779 has 4 divisors (see below), whose sum is σ = 45969360. Its totient is φ = 45364200.

The previous prime is 45666773. The next prime is 45666781. The reversal of 45666779 is 97766654.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45666779 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (45666773) 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, 151064 + ... + 151365.

It is an arithmetic number, because the mean of its divisors is an integer number (11492340).

Almost surely, 2^45666779 is an apocalyptic number.

45666779 is a deficient number, since it is larger than the sum of its proper divisors (302581).

45666779 is a wasteful number, since it uses less digits than its factorization.

45666779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302580.

The product of its digits is 1905120, while the sum is 50.

The square root of 45666779 is about 6757.7199557247. The cubic root of 45666779 is about 357.4375107170.

The spelling of 45666779 in words is "forty-five million, six hundred sixty-six thousand, seven hundred seventy-nine".