194201945 has 24 divisors (see below), whose sum is σ = 285364800. Its totient is φ = 126155232.

The previous prime is 194201939. The next prime is 194201947. The reversal of 194201945 is 549102491.

194201945 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 194201945 - 2⁶ = 194201881 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194201947) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16205 + ... + 25514.

It is an arithmetic number, because the mean of its divisors is an integer number (11890200).

Almost surely, 2^194201945 is an apocalyptic number.

It is an amenable number.

194201945 is a deficient number, since it is larger than the sum of its proper divisors (91162855).

194201945 is a wasteful number, since it uses less digits than its factorization.

194201945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41757 (or 41750 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 194201945 is about 13935.6357946094. The cubic root of 194201945 is about 579.0968355213.

The spelling of 194201945 in words is "one hundred ninety-four million, two hundred one thousand, nine hundred forty-five".