194475057 has 16 divisors (see below), whose sum is σ = 299675520. Its totient is φ = 109878912.

The previous prime is 194475041. The next prime is 194475067. The reversal of 194475057 is 750574491.

It is a happy number.

It is not a de Polignac number, because 194475057 - 2⁴ = 194475041 is a prime.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (194475067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50158 + ... + 53895.

It is an arithmetic number, because the mean of its divisors is an integer number (18729720).

Almost surely, 2^194475057 is an apocalyptic number.

It is an amenable number.

194475057 is a deficient number, since it is larger than the sum of its proper divisors (105200463).

194475057 is a wasteful number, since it uses less digits than its factorization.

194475057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104152.

The product of its (nonzero) digits is 176400, while the sum is 42.

The square root of 194475057 is about 13945.4314024343. The cubic root of 194475057 is about 579.3681754263.

The spelling of 194475057 in words is "one hundred ninety-four million, four hundred seventy-five thousand, fifty-seven".