45013999 has 4 divisors (see below), whose sum is σ = 45240400. Its totient is φ = 44787600.

The previous prime is 45013993. The next prime is 45014009. The reversal of 45013999 is 99931054.

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 45013999 - 2⁹ = 45013487 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 (45013993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112902 + ... + 113299.

It is an arithmetic number, because the mean of its divisors is an integer number (11310100).

Almost surely, 2^45013999 is an apocalyptic number.

45013999 is a deficient number, since it is larger than the sum of its proper divisors (226401).

45013999 is a wasteful number, since it uses less digits than its factorization.

45013999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226400.

The product of its (nonzero) digits is 43740, while the sum is 40.

The square root of 45013999 is about 6709.2472752165. The cubic root of 45013999 is about 355.7262102912.

The spelling of 45013999 in words is "forty-five million, thirteen thousand, nine hundred ninety-nine".