45881913 has 16 divisors (see below), whose sum is σ = 76271616. Its totient is φ = 23834640.

The previous prime is 45881897. The next prime is 45881923. The reversal of 45881913 is 31918854.

45881913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45881913 - 2⁴ = 45881897 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45881923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99081 + ... + 99542.

It is an arithmetic number, because the mean of its divisors is an integer number (4766976).

Almost surely, 2^45881913 is an apocalyptic number.

It is an amenable number.

45881913 is a deficient number, since it is larger than the sum of its proper divisors (30389703).

45881913 is a wasteful number, since it uses less digits than its factorization.

45881913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198644.

The product of its digits is 34560, while the sum is 39.

The square root of 45881913 is about 6773.6188998201. The cubic root of 45881913 is about 357.9979219213.

The spelling of 45881913 in words is "forty-five million, eight hundred eighty-one thousand, nine hundred thirteen".