45194442 has 8 divisors (see below), whose sum is σ = 90388896. Its totient is φ = 15064812.

The previous prime is 45194437. The next prime is 45194459. The reversal of 45194442 is 24449154.

45194442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

45194442 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3766198 + ... + 3766209.

It is an arithmetic number, because the mean of its divisors is an integer number (11298612).

Almost surely, 2^45194442 is an apocalyptic number.

45194442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

45194442 is a wasteful number, since it uses less digits than its factorization.

45194442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7532412.

The product of its digits is 23040, while the sum is 33.

The square root of 45194442 is about 6722.6811615605. The cubic root of 45194442 is about 356.2008976338.

The spelling of 45194442 in words is "forty-five million, one hundred ninety-four thousand, four hundred forty-two".