194450188 has 24 divisors (see below), whose sum is σ = 360914400. Its totient is φ = 91470720.

The previous prime is 194450141. The next prime is 194450209. The reversal of 194450188 is 881054491.

It is a super-2 number, since 2×194450188² = 75621751226470688, which contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 194450188.

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 7 ways as a sum of consecutive naturals, for example, 11713 + ... + 22936.

It is an arithmetic number, because the mean of its divisors is an integer number (15038100).

Almost surely, 2^194450188 is an apocalyptic number.

It is an amenable number.

194450188 is a deficient number, since it is larger than the sum of its proper divisors (166464212).

194450188 is a wasteful number, since it uses less digits than its factorization.

194450188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34737 (or 34735 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 40.

The square root of 194450188 is about 13944.5397199047. The cubic root of 194450188 is about 579.3434783065.

The spelling of 194450188 in words is "one hundred ninety-four million, four hundred fifty thousand, one hundred eighty-eight".