194351345 has 16 divisors (see below), whose sum is σ = 239804928. Its totient is φ = 151137600.

The previous prime is 194351309. The next prime is 194351383. The reversal of 194351345 is 543153491.

194351345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 194351345 - 2¹² = 194347249 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32747 + ... + 38223.

It is an arithmetic number, because the mean of its divisors is an integer number (14987808).

Almost surely, 2^194351345 is an apocalyptic number.

It is an amenable number.

194351345 is a deficient number, since it is larger than the sum of its proper divisors (45453583).

194351345 is a wasteful number, since it uses less digits than its factorization.

194351345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5680.

The product of its digits is 32400, while the sum is 35.

The square root of 194351345 is about 13940.9951223003. The cubic root of 194351345 is about 579.2452976300.

The spelling of 194351345 in words is "one hundred ninety-four million, three hundred fifty-one thousand, three hundred forty-five".