144142111 has 2 divisors, whose sum is σ = 144142112. Its totient is φ = 144142110.

The previous prime is 144142073. The next prime is 144142123. The reversal of 144142111 is 111241441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144142111 - 2⁷ = 144141983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144142181) 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, 72071055 + 72071056.

It is an arithmetic number, because the mean of its divisors is an integer number (72071056).

Almost surely, 2^144142111 is an apocalyptic number.

144142111 is a deficient number, since it is larger than the sum of its proper divisors (1).

144142111 is an equidigital number, since it uses as much as digits as its factorization.

144142111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 128, while the sum is 19.

The square root of 144142111 is about 12005.9198314831. The cubic root of 144142111 is about 524.3206463096.

Adding to 144142111 its reverse (111241441), we get a palindrome (255383552).

The spelling of 144142111 in words is "one hundred forty-four million, one hundred forty-two thousand, one hundred eleven".