194445968 has 10 divisors (see below), whose sum is σ = 376739094. Its totient is φ = 97222976.

The previous prime is 194445959. The next prime is 194445991. The reversal of 194445968 is 869544491.

It can be written as a sum of positive squares in only one way, i.e., 173396224 + 21049744 = 13168^2 + 4588^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6076421 + ... + 6076452.

Almost surely, 2^194445968 is an apocalyptic number.

It is an amenable number.

194445968 is a deficient number, since it is larger than the sum of its proper divisors (182293126).

194445968 is a wasteful number, since it uses less digits than its factorization.

194445968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12152881 (or 12152875 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 50.

The square root of 194445968 is about 13944.3884053766. The cubic root of 194445968 is about 579.3392872637.

The spelling of 194445968 in words is "one hundred ninety-four million, four hundred forty-five thousand, nine hundred sixty-eight".