45191922 has 16 divisors (see below), whose sum is σ = 92588832. Its totient is φ = 14696480.

The previous prime is 45191921. The next prime is 45191953. The reversal of 45191922 is 22919154.

45191922 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (45191921) 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 7 ways as a sum of consecutive naturals, for example, 91608 + ... + 92099.

It is an arithmetic number, because the mean of its divisors is an integer number (5786802).

Almost surely, 2^45191922 is an apocalyptic number.

45191922 is an abundant number, since it is smaller than the sum of its proper divisors (47396910).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45191922 is a wasteful number, since it uses less digits than its factorization.

45191922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183753.

The product of its digits is 6480, while the sum is 33.

The square root of 45191922 is about 6722.4937337271. The cubic root of 45191922 is about 356.1942770340.

It can be divided in two parts, 4519 and 1922, that added together give a triangular number (6441 = T₁₁₃).

The spelling of 45191922 in words is "forty-five million, one hundred ninety-one thousand, nine hundred twenty-two".