144236189 has 2 divisors, whose sum is σ = 144236190. Its totient is φ = 144236188.

The previous prime is 144236173. The next prime is 144236207. The reversal of 144236189 is 981632441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89624089 + 54612100 = 9467^2 + 7390^2 .

It is a cyclic number.

It is not a de Polignac number, because 144236189 - 2⁴ = 144236173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144236119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72118094 + 72118095.

It is an arithmetic number, because the mean of its divisors is an integer number (72118095).

Almost surely, 2^144236189 is an apocalyptic number.

It is an amenable number.

144236189 is a deficient number, since it is larger than the sum of its proper divisors (1).

144236189 is an equidigital number, since it uses as much as digits as its factorization.

144236189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 38.

The square root of 144236189 is about 12009.8371762485. The cubic root of 144236189 is about 524.4346918854.

The spelling of 144236189 in words is "one hundred forty-four million, two hundred thirty-six thousand, one hundred eighty-nine".