194745 has 8 divisors (see below), whose sum is σ = 311616. Its totient is φ = 103856.

The previous prime is 194729. The next prime is 194749. The reversal of 194745 is 547491.

It is a happy number.

194745 is nontrivially palindromic in base 12.

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 194745 - 2⁴ = 194729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (194749) by changing a digit.

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, 6477 + ... + 6506.

It is an arithmetic number, because the mean of its divisors is an integer number (38952).

2¹⁹⁴⁷⁴⁵ is an apocalyptic number.

194745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

194745 is a deficient number, since it is larger than the sum of its proper divisors (116871).

194745 is a wasteful number, since it uses less digits than its factorization.

194745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12991.

The product of its digits is 5040, while the sum is 30.

The square root of 194745 is about 441.2992182182. The cubic root of 194745 is about 57.9636117374.

It can be divided in two parts, 194 and 745, that added together give a palindrome (939).

The spelling of 194745 in words is "one hundred ninety-four thousand, seven hundred forty-five".