194883845 has 8 divisors (see below), whose sum is σ = 251849976. Its totient is φ = 143914176.

The previous prime is 194883841. The next prime is 194883877. The reversal of 194883845 is 548388491.

194883845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 58081 + 194825764 = 241^2 + 13958^2 .

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 194883845 - 2² = 194883841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 194883793 and 194883802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194883841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1499042 + ... + 1499171.

It is an arithmetic number, because the mean of its divisors is an integer number (31481247).

Almost surely, 2^194883845 is an apocalyptic number.

It is an amenable number.

194883845 is a deficient number, since it is larger than the sum of its proper divisors (56966131).

194883845 is a wasteful number, since it uses less digits than its factorization.

194883845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2998231.

The product of its digits is 1105920, while the sum is 50.

The square root of 194883845 is about 13960.0804080779. The cubic root of 194883845 is about 579.7738367131.

The spelling of 194883845 in words is "one hundred ninety-four million, eight hundred eighty-three thousand, eight hundred forty-five".