194105343 has 4 divisors (see below), whose sum is σ = 258807128. Its totient is φ = 129403560.

The previous prime is 194105341. The next prime is 194105369. The reversal of 194105343 is 343501491.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 194105343 - 2¹ = 194105341 is a prime.

It is a super-2 number, since 2×194105343² = 75353768362295298, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 194105343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194105341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32350888 + ... + 32350893.

It is an arithmetic number, because the mean of its divisors is an integer number (64701782).

Almost surely, 2^194105343 is an apocalyptic number.

194105343 is a deficient number, since it is larger than the sum of its proper divisors (64701785).

194105343 is an equidigital number, since it uses as much as digits as its factorization.

194105343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64701784.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 194105343 is about 13932.1693572824. The cubic root of 194105343 is about 579.0007994238. Note that the first 3 decimals are identical.

It can be divided in two parts, 19410 and 5343, that added together give a triangular number (24753 = T₂₂₂).

The spelling of 194105343 in words is "one hundred ninety-four million, one hundred five thousand, three hundred forty-three".