194452 has 12 divisors (see below), whose sum is σ = 343476. Its totient is φ = 96320.

The previous prime is 194443. The next prime is 194471. The reversal of 194452 is 254491.

It can be written as a sum of positive squares in 2 ways, for example, as 156816 + 37636 = 396^2 + 194^2 .

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 3 ways as a sum of consecutive naturals, for example, 552 + ... + 832.

It is an arithmetic number, because the mean of its divisors is an integer number (28623).

194452 is a Friedman number, since it can be written as 21^4-9-5*4, using all its digits and the basic arithmetic operations.

2¹⁹⁴⁴⁵² is an apocalyptic number.

It is an amenable number.

194452 is a deficient number, since it is larger than the sum of its proper divisors (149024).

194452 is a wasteful number, since it uses less digits than its factorization.

194452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458 (or 456 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 194452 is about 440.9671189556. The cubic root of 194452 is about 57.9345277854.

It can be divided in two parts, 194 and 452, that added together give a palindrome (646).

The spelling of 194452 in words is "one hundred ninety-four thousand, four hundred fifty-two".