144325305209 has 2 divisors, whose sum is σ = 144325305210. Its totient is φ = 144325305208.

The previous prime is 144325305139. The next prime is 144325305259. The reversal of 144325305209 is 902503523441.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105010346809 + 39314958400 = 324053^2 + 198280^2 .

It is a cyclic number.

It is not a de Polignac number, because 144325305209 - 2⁸ = 144325304953 is a prime.

It is not a weakly prime, because it can be changed into another prime (144325305259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72162652604 + 72162652605.

It is an arithmetic number, because the mean of its divisors is an integer number (72162652605).

Almost surely, 2^144325305209 is an apocalyptic number.

It is an amenable number.

144325305209 is a deficient number, since it is larger than the sum of its proper divisors (1).

144325305209 is an equidigital number, since it uses as much as digits as its factorization.

144325305209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 144325305209 in words is "one hundred forty-four billion, three hundred twenty-five million, three hundred five thousand, two hundred nine".