194505 has 8 divisors (see below), whose sum is σ = 311232. Its totient is φ = 103728.

The previous prime is 194483. The next prime is 194507. The reversal of 194505 is 505491.

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

It is not a de Polignac number, because 194505 - 2⁷ = 194377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (194507) 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, 6469 + ... + 6498.

It is an arithmetic number, because the mean of its divisors is an integer number (38904).

2¹⁹⁴⁵⁰⁵ is an apocalyptic number.

194505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

194505 is a deficient number, since it is larger than the sum of its proper divisors (116727).

194505 is a wasteful number, since it uses less digits than its factorization.

194505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12975.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 194505 is about 441.0272100449. The cubic root of 194505 is about 57.9397908684.

Subtracting from 194505 its sum of digits (24), we obtain a 4-th power (194481 = 21⁴).

Adding to 194505 its reverse (505491), we get a palindrome (699996).

The spelling of 194505 in words is "one hundred ninety-four thousand, five hundred five".