45918999 has 12 divisors (see below), whose sum is σ = 75802896. Its totient is φ = 26239392.

The previous prime is 45918997. The next prime is 45919001. The reversal of 45918999 is 99981954.

45918999 is a `hidden beast` number, since 459 + 189 + 9 + 9 = 666.

It is an interprime number because it is at equal distance from previous prime (45918997) and next prime (45919001).

It is not a de Polignac number, because 45918999 - 2¹ = 45918997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45918997) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 364374 + ... + 364499.

It is an arithmetic number, because the mean of its divisors is an integer number (6316908).

Almost surely, 2^45918999 is an apocalyptic number.

45918999 is a deficient number, since it is larger than the sum of its proper divisors (29883897).

45918999 is a wasteful number, since it uses less digits than its factorization.

45918999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728886 (or 728883 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 54.

The square root of 45918999 is about 6776.3558790843. The cubic root of 45918999 is about 358.0943516072.

The spelling of 45918999 in words is "forty-five million, nine hundred eighteen thousand, nine hundred ninety-nine".