194845 has 16 divisors (see below), whose sum is σ = 282240. Its totient is φ = 126144.

The previous prime is 194839. The next prime is 194861. The reversal of 194845 is 548491.

It is a happy number.

194845 is an esthetic number in base 11, because in such base its adjacent digits differ by 1.

It is a cyclic number.

It is not a de Polignac number, because 194845 - 2⁵ = 194813 is a prime.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 519 + ... + 811.

It is an arithmetic number, because the mean of its divisors is an integer number (17640).

2¹⁹⁴⁸⁴⁵ is an apocalyptic number.

It is an amenable number.

194845 is a deficient number, since it is larger than the sum of its proper divisors (87395).

194845 is a wasteful number, since it uses less digits than its factorization.

194845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324.

The product of its digits is 5760, while the sum is 31.

The square root of 194845 is about 441.4125054866. The cubic root of 194845 is about 57.9735313234.

The spelling of 194845 in words is "one hundred ninety-four thousand, eight hundred forty-five".