45899999 has 4 divisors (see below), whose sum is σ = 46652520. Its totient is φ = 45147480.

The previous prime is 45899989. The next prime is 45900007. The reversal of 45899999 is 99999854.

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 45899999 - 2²⁴ = 29122783 is a prime.

It is a Duffinian number.

45899999 is a modest number, since divided by 9999 gives 4589 as remainder.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45899939) 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, 376169 + ... + 376290.

It is an arithmetic number, because the mean of its divisors is an integer number (11663130).

Almost surely, 2^45899999 is an apocalyptic number.

45899999 is a deficient number, since it is larger than the sum of its proper divisors (752521).

45899999 is an equidigital number, since it uses as much as digits as its factorization.

45899999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752520.

The product of its digits is 9447840, while the sum is 62.

The square root of 45899999 is about 6774.9538005805. The cubic root of 45899999 is about 358.0449549780.

The spelling of 45899999 in words is "forty-five million, eight hundred ninety-nine thousand, nine hundred ninety-nine".