194480345 has 8 divisors (see below), whose sum is σ = 235442376. Its totient is φ = 154206976.

The previous prime is 194480339. The next prime is 194480389. The reversal of 194480345 is 543084491.

It can be written as a sum of positive squares in 4 ways, for example, as 4481689 + 189998656 = 2117^2 + 13784^2 .

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 194480345 - 2⁶ = 194480281 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 194480299 and 194480308.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171542 + ... + 172671.

It is an arithmetic number, because the mean of its divisors is an integer number (29430297).

Almost surely, 2^194480345 is an apocalyptic number.

It is an amenable number.

194480345 is a deficient number, since it is larger than the sum of its proper divisors (40962031).

194480345 is a wasteful number, since it uses less digits than its factorization.

194480345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344331.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 194480345 is about 13945.6209972880. The cubic root of 194480345 is about 579.3734266073.

The spelling of 194480345 in words is "one hundred ninety-four million, four hundred eighty thousand, three hundred forty-five".