194242258 has 16 divisors (see below), whose sum is σ = 340072704. Its totient is φ = 81475200.

The previous prime is 194242253. The next prime is 194242259. The reversal of 194242258 is 852242491.

It is not an unprimeable number, because it can be changed into a prime (194242253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146943 + ... + 148258.

It is an arithmetic number, because the mean of its divisors is an integer number (21254544).

Almost surely, 2^194242258 is an apocalyptic number.

194242258 is a deficient number, since it is larger than the sum of its proper divisors (145830446).

194242258 is a wasteful number, since it uses less digits than its factorization.

194242258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295257.

The product of its digits is 46080, while the sum is 37.

The square root of 194242258 is about 13937.0821192960. The cubic root of 194242258 is about 579.1369029463.

The spelling of 194242258 in words is "one hundred ninety-four million, two hundred forty-two thousand, two hundred fifty-eight".