144204313021 has 2 divisors, whose sum is σ = 144204313022. Its totient is φ = 144204313020.

The previous prime is 144204313009. The next prime is 144204313081. The reversal of 144204313021 is 120313402441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124758010521 + 19446302500 = 353211^2 + 139450^2 .

It is a cyclic number.

It is not a de Polignac number, because 144204313021 - 2¹⁷ = 144204181949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144204313081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72102156510 + 72102156511.

It is an arithmetic number, because the mean of its divisors is an integer number (72102156511).

Almost surely, 2^144204313021 is an apocalyptic number.

It is an amenable number.

144204313021 is a deficient number, since it is larger than the sum of its proper divisors (1).

144204313021 is an equidigital number, since it uses as much as digits as its factorization.

144204313021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 144204313021 its reverse (120313402441), we get a palindrome (264517715462).

The spelling of 144204313021 in words is "one hundred forty-four billion, two hundred four million, three hundred thirteen thousand, twenty-one".