244142189 has 2 divisors, whose sum is σ = 244142190. Its totient is φ = 244142188.

The previous prime is 244142183. The next prime is 244142231. The reversal of 244142189 is 981241442.

It is a happy number.

244142189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 225150025 + 18992164 = 15005^2 + 4358^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-244142189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244142183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122071094 + 122071095.

It is an arithmetic number, because the mean of its divisors is an integer number (122071095).

Almost surely, 2^244142189 is an apocalyptic number.

It is an amenable number.

244142189 is a deficient number, since it is larger than the sum of its proper divisors (1).

244142189 is an equidigital number, since it uses as much as digits as its factorization.

244142189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 35.

The square root of 244142189 is about 15625.0500479198. The cubic root of 244142189 is about 625.0013346105.

The spelling of 244142189 in words is "two hundred forty-four million, one hundred forty-two thousand, one hundred eighty-nine".