45206999 has 4 divisors (see below), whose sum is σ = 45368160. Its totient is φ = 45045840.

The previous prime is 45206989. The next prime is 45207011. The reversal of 45206999 is 99960254.

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 45206999 - 2⁸ = 45206743 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 (45206989) 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, 80159 + ... + 80720.

It is an arithmetic number, because the mean of its divisors is an integer number (11342040).

Almost surely, 2^45206999 is an apocalyptic number.

45206999 is a deficient number, since it is larger than the sum of its proper divisors (161161).

45206999 is a wasteful number, since it uses less digits than its factorization.

45206999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161160.

The product of its (nonzero) digits is 174960, while the sum is 44.

The square root of 45206999 is about 6723.6150246724. The cubic root of 45206999 is about 356.2338839945.

The spelling of 45206999 in words is "forty-five million, two hundred six thousand, nine hundred ninety-nine".