194426845 has 8 divisors (see below), whose sum is σ = 234858240. Its totient is φ = 154510800.

The previous prime is 194426839. The next prime is 194426857. The reversal of 194426845 is 548624491.

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

It is not a de Polignac number, because 194426845 - 2⁹ = 194426333 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128005 + ... + 129514.

It is an arithmetic number, because the mean of its divisors is an integer number (29357280).

Almost surely, 2^194426845 is an apocalyptic number.

It is an amenable number.

194426845 is a deficient number, since it is larger than the sum of its proper divisors (40431395).

194426845 is a wasteful number, since it uses less digits than its factorization.

194426845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257675.

The product of its digits is 276480, while the sum is 43.

The square root of 194426845 is about 13943.7027005025. The cubic root of 194426845 is about 579.3202947238.

The spelling of 194426845 in words is "one hundred ninety-four million, four hundred twenty-six thousand, eight hundred forty-five".