144402040244401 has 2 divisors, whose sum is σ = 144402040244402. Its totient is φ = 144402040244400.

The previous prime is 144402040244351. The next prime is 144402040244479. The reversal of 144402040244401 is 104442040204441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 112792896160000 + 31609144084401 = 10620400^2 + 5622201^2 .

It is a cyclic number.

It is not a de Polignac number, because 144402040244401 - 2³⁹ = 143852284430513 is a prime.

It is not a weakly prime, because it can be changed into another prime (144402040044401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72201020122200 + 72201020122201.

It is an arithmetic number, because the mean of its divisors is an integer number (72201020122201).

Almost surely, 2^{144402040244401} is an apocalyptic number.

It is an amenable number.

144402040244401 is a deficient number, since it is larger than the sum of its proper divisors (1).

144402040244401 is an equidigital number, since it uses as much as digits as its factorization.

144402040244401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 65536, while the sum is 34.

Adding to 144402040244401 its reverse (104442040204441), we get a palindrome (248844080448842).

It can be divided in two parts, 144402040 and 244401, that added together give a palindrome (144646441).

The spelling of 144402040244401 in words is "one hundred forty-four trillion, four hundred two billion, forty million, two hundred forty-four thousand, four hundred one".