194343745 has 16 divisors (see below), whose sum is σ = 248427648. Its totient is φ = 145442560.

The previous prime is 194343733. The next prime is 194343769. The reversal of 194343745 is 547343491.

194343745 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 194343745 - 2²⁵ = 160789313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 194343698 and 194343707.

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, 7350 + ... + 21040.

It is an arithmetic number, because the mean of its divisors is an integer number (15526728).

Almost surely, 2^194343745 is an apocalyptic number.

It is an amenable number.

194343745 is a deficient number, since it is larger than the sum of its proper divisors (54083903).

194343745 is a wasteful number, since it uses less digits than its factorization.

194343745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13880.

The product of its digits is 181440, while the sum is 40.

The square root of 194343745 is about 13940.7225422501. The cubic root of 194343745 is about 579.2377471778.

The spelling of 194343745 in words is "one hundred ninety-four million, three hundred forty-three thousand, seven hundred forty-five".