45223682194 has 4 divisors (see below), whose sum is σ = 67835523294. Its totient is φ = 22611841096.

The previous prime is 45223682191. The next prime is 45223682213. The reversal of 45223682194 is 49128632254.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 38136231225 + 7087450969 = 195285^2 + 84187^2 .

It is not an unprimeable number, because it can be changed into a prime (45223682191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11305920547 + ... + 11305920550.

Almost surely, 2^45223682194 is an apocalyptic number.

45223682194 is a deficient number, since it is larger than the sum of its proper divisors (22611841100).

45223682194 is a wasteful number, since it uses less digits than its factorization.

45223682194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22611841099.

The product of its digits is 829440, while the sum is 46.

The spelling of 45223682194 in words is "forty-five billion, two hundred twenty-three million, six hundred eighty-two thousand, one hundred ninety-four".