144120322009 has 2 divisors, whose sum is σ = 144120322010. Its totient is φ = 144120322008.

The previous prime is 144120321997. The next prime is 144120322039. The reversal of 144120322009 is 900223021441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72820641609 + 71299680400 = 269853^2 + 267020^2 .

It is a cyclic number.

It is not a de Polignac number, because 144120322009 - 2⁵ = 144120321977 is a prime.

It is not a weakly prime, because it can be changed into another prime (144120322039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72060161004 + 72060161005.

It is an arithmetic number, because the mean of its divisors is an integer number (72060161005).

Almost surely, 2^144120322009 is an apocalyptic number.

It is an amenable number.

144120322009 is a deficient number, since it is larger than the sum of its proper divisors (1).

144120322009 is an equidigital number, since it uses as much as digits as its factorization.

144120322009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 144120322009 in words is "one hundred forty-four billion, one hundred twenty million, three hundred twenty-two thousand, nine".