194345 has 8 divisors (see below), whose sum is σ = 238464. Its totient is φ = 151984.

The previous prime is 194323. The next prime is 194353. The reversal of 194345 is 543491.

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

It is a cyclic number.

It is not a de Polignac number, because 194345 - 2¹² = 190249 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

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 in 7 ways as a sum of consecutive naturals, for example, 179 + ... + 648.

It is an arithmetic number, because the mean of its divisors is an integer number (29808).

2¹⁹⁴³⁴⁵ is an apocalyptic number.

It is an amenable number.

194345 is a deficient number, since it is larger than the sum of its proper divisors (44119).

194345 is an equidigital number, since it uses as much as digits as its factorization.

194345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879.

The product of its digits is 2160, while the sum is 26.

The square root of 194345 is about 440.8457780222. The cubic root of 194345 is about 57.9238994009.

The spelling of 194345 in words is "one hundred ninety-four thousand, three hundred forty-five".