144335052209 has 4 divisors (see below), whose sum is σ = 148235999604. Its totient is φ = 140434104816.

The previous prime is 144335052193. The next prime is 144335052221. The reversal of 144335052209 is 902250533441.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 902250533441 = 117917 ⋅7651573.

It can be written as a sum of positive squares in 2 ways, for example, as 50960805025 + 93374247184 = 225745^2 + 305572^2 .

It is a cyclic number.

It is not a de Polignac number, because 144335052209 - 2⁴ = 144335052193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144335052229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1950473642 + ... + 1950473715.

It is an arithmetic number, because the mean of its divisors is an integer number (37058999901).

Almost surely, 2^144335052209 is an apocalyptic number.

It is an amenable number.

144335052209 is a deficient number, since it is larger than the sum of its proper divisors (3900947395).

144335052209 is an equidigital number, since it uses as much as digits as its factorization.

144335052209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3900947394.

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

The spelling of 144335052209 in words is "one hundred forty-four billion, three hundred thirty-five million, fifty-two thousand, two hundred nine".