189845119 has 2 divisors, whose sum is σ = 189845120. Its totient is φ = 189845118.

The previous prime is 189845101. The next prime is 189845141. The reversal of 189845119 is 911548981.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 189845119 - 2¹⁷ = 189714047 is a prime.

It is a super-2 number, since 2×189845119² = 72082338416248322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (189845179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94922559 + 94922560.

It is an arithmetic number, because the mean of its divisors is an integer number (94922560).

Almost surely, 2^189845119 is an apocalyptic number.

189845119 is a deficient number, since it is larger than the sum of its proper divisors (1).

189845119 is an equidigital number, since it uses as much as digits as its factorization.

189845119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 46.

The square root of 189845119 is about 13778.4294823467. The cubic root of 189845119 is about 574.7334557932.

The spelling of 189845119 in words is "one hundred eighty-nine million, eight hundred forty-five thousand, one hundred nineteen".