144421159 has 2 divisors, whose sum is σ = 144421160. Its totient is φ = 144421158.

The previous prime is 144421127. The next prime is 144421181. The reversal of 144421159 is 951124441.

144421159 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (951124441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144421159 - 2⁵ = 144421127 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144421159.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144461159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72210579 + 72210580.

It is an arithmetic number, because the mean of its divisors is an integer number (72210580).

Almost surely, 2^144421159 is an apocalyptic number.

144421159 is a deficient number, since it is larger than the sum of its proper divisors (1).

144421159 is an equidigital number, since it uses as much as digits as its factorization.

144421159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 31.

The square root of 144421159 is about 12017.5354794567. The cubic root of 144421159 is about 524.6587763045.

The spelling of 144421159 in words is "one hundred forty-four million, four hundred twenty-one thousand, one hundred fifty-nine".