45413891 has 16 divisors (see below), whose sum is σ = 49572864. Its totient is φ = 41483904.

The previous prime is 45413887. The next prime is 45413897. The reversal of 45413891 is 19831454.

45413891 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 45413891 - 2² = 45413887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45413897) 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, 45995 + ... + 46971.

It is an arithmetic number, because the mean of its divisors is an integer number (3098304).

Almost surely, 2^45413891 is an apocalyptic number.

45413891 is a deficient number, since it is larger than the sum of its proper divisors (4158973).

45413891 is a wasteful number, since it uses less digits than its factorization.

45413891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090.

The product of its digits is 17280, while the sum is 35.

The square root of 45413891 is about 6738.9829351320. The cubic root of 45413891 is about 356.7764975562.

The spelling of 45413891 in words is "forty-five million, four hundred thirteen thousand, eight hundred ninety-one".