45668999 has 2 divisors, whose sum is σ = 45669000. Its totient is φ = 45668998.

The previous prime is 45668981. The next prime is 45669023. The reversal of 45668999 is 99986654.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45668999 - 2¹² = 45664903 is a prime.

It is a Sophie Germain prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45668599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22834499 + 22834500.

It is an arithmetic number, because the mean of its divisors is an integer number (22834500).

Almost surely, 2^45668999 is an apocalyptic number.

45668999 is a deficient number, since it is larger than the sum of its proper divisors (1).

45668999 is an equidigital number, since it uses as much as digits as its factorization.

45668999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4199040, while the sum is 56.

The square root of 45668999 is about 6757.8842103132. The cubic root of 45668999 is about 357.4433026620.

The spelling of 45668999 in words is "forty-five million, six hundred sixty-eight thousand, nine hundred ninety-nine".