144503289221 has 2 divisors, whose sum is σ = 144503289222. Its totient is φ = 144503289220.

The previous prime is 144503289209. The next prime is 144503289253. The reversal of 144503289221 is 122982305441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143270577121 + 1232712100 = 378511^2 + 35110^2 .

It is a cyclic number.

It is not a de Polignac number, because 144503289221 - 2⁶ = 144503289157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144503289521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72251644610 + 72251644611.

It is an arithmetic number, because the mean of its divisors is an integer number (72251644611).

Almost surely, 2^144503289221 is an apocalyptic number.

It is an amenable number.

144503289221 is a deficient number, since it is larger than the sum of its proper divisors (1).

144503289221 is an equidigital number, since it uses as much as digits as its factorization.

144503289221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 41.

The spelling of 144503289221 in words is "one hundred forty-four billion, five hundred three million, two hundred eighty-nine thousand, two hundred twenty-one".