194775545105 has 8 divisors (see below), whose sum is σ = 238140666792. Its totient is φ = 152880427648.

The previous prime is 194775545099. The next prime is 194775545137. The reversal of 194775545105 is 501545577491.

It is a happy number.

194775545105 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 781985296 + 193993559809 = 27964^2 + 440447^2 .

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 194775545105 - 2²⁸ = 194507109649 is a prime.

It is a super-2 number, since 2×194775545105² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 367500764 + ... + 367501293.

It is an arithmetic number, because the mean of its divisors is an integer number (29767583349).

Almost surely, 2^194775545105 is an apocalyptic number.

It is an amenable number.

194775545105 is a deficient number, since it is larger than the sum of its proper divisors (43365121687).

194775545105 is an equidigital number, since it uses as much as digits as its factorization.

194775545105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735002115.

The product of its (nonzero) digits is 4410000, while the sum is 53.

The spelling of 194775545105 in words is "one hundred ninety-four billion, seven hundred seventy-five million, five hundred forty-five thousand, one hundred five".