144224111 has 2 divisors, whose sum is σ = 144224112. Its totient is φ = 144224110.

The previous prime is 144224089. The next prime is 144224149. The reversal of 144224111 is 111422441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144224111 - 2²² = 140029807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144224011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72112055 + 72112056.

It is an arithmetic number, because the mean of its divisors is an integer number (72112056).

Almost surely, 2^144224111 is an apocalyptic number.

144224111 is a deficient number, since it is larger than the sum of its proper divisors (1).

144224111 is an equidigital number, since it uses as much as digits as its factorization.

144224111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 256, while the sum is 20.

The square root of 144224111 is about 12009.3343279301. The cubic root of 144224111 is about 524.4200531667.

Adding to 144224111 its reverse (111422441), we get a palindrome (255646552).

The spelling of 144224111 in words is "one hundred forty-four million, two hundred twenty-four thousand, one hundred eleven".