194545103 has 2 divisors, whose sum is σ = 194545104. Its totient is φ = 194545102.

The previous prime is 194545097. The next prime is 194545121. The reversal of 194545103 is 301545491.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 194545103 - 2¹⁶ = 194479567 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 194545103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (194548103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97272551 + 97272552.

It is an arithmetic number, because the mean of its divisors is an integer number (97272552).

Almost surely, 2^194545103 is an apocalyptic number.

194545103 is a deficient number, since it is larger than the sum of its proper divisors (1).

194545103 is an equidigital number, since it uses as much as digits as its factorization.

194545103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 194545103 is about 13947.9426081412. The cubic root of 194545103 is about 579.4377259940.

The spelling of 194545103 in words is "one hundred ninety-four million, five hundred forty-five thousand, one hundred three".