144435115412321 has 8 divisors (see below), whose sum is σ = 144707948772264. Its totient is φ = 144162439993600.

The previous prime is 144435115412317. The next prime is 144435115412339. The reversal of 144435115412321 is 123214511534441.

It can be written as a sum of positive squares in 4 ways, for example, as 43627491322321 + 100807624090000 = 6605111^2 + 10040300^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144435115412321 - 2² = 144435115412317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144435115415321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37654526 + ... + 41312631.

It is an arithmetic number, because the mean of its divisors is an integer number (18088493596533).

Almost surely, 2^{144435115412321} is an apocalyptic number.

It is an amenable number.

144435115412321 is a deficient number, since it is larger than the sum of its proper divisors (272833359943).

144435115412321 is an equidigital number, since it uses as much as digits as its factorization.

144435115412321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78970611.

The product of its digits is 230400, while the sum is 41.

Adding to 144435115412321 its reverse (123214511534441), we get a palindrome (267649626946762).

The spelling of 144435115412321 in words is "one hundred forty-four trillion, four hundred thirty-five billion, one hundred fifteen million, four hundred twelve thousand, three hundred twenty-one".