144436356106321 has 8 divisors (see below), whose sum is σ = 148815071168040. Its totient is φ = 140118881814912.

The previous prime is 144436356106319. The next prime is 144436356106351. The reversal of 144436356106321 is 123601653634441.

It can be written as a sum of positive squares in 4 ways, for example, as 31793370150721 + 112642985955600 = 5638561^2 + 10613340^2 .

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 144436356106321 - 2¹ = 144436356106319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144436356106351) 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, 15310187790 + ... + 15310197223.

It is an arithmetic number, because the mean of its divisors is an integer number (18601883896005).

Almost surely, 2^{144436356106321} is an apocalyptic number.

It is an amenable number.

144436356106321 is a deficient number, since it is larger than the sum of its proper divisors (4378715061719).

144436356106321 is an equidigital number, since it uses as much as digits as its factorization.

144436356106321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30620385155.

The product of its (nonzero) digits is 3732480, while the sum is 49.

The spelling of 144436356106321 in words is "one hundred forty-four trillion, four hundred thirty-six billion, three hundred fifty-six million, one hundred six thousand, three hundred twenty-one".