144402111221302 has 96 divisors (see below), whose sum is σ = 246252789967392. Its totient is φ = 63501345177600.

The previous prime is 144402111221273. The next prime is 144402111221311. The reversal of 144402111221302 is 203122111204441.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12261360438 + ... + 12261372214.

It is an arithmetic number, because the mean of its divisors is an integer number (2565133228827).

Almost surely, 2^{144402111221302} is an apocalyptic number.

144402111221302 is a deficient number, since it is larger than the sum of its proper divisors (101850678746090).

144402111221302 is a wasteful number, since it uses less digits than its factorization.

144402111221302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16667 (or 16614 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 144402111221302 its reverse (203122111204441), we get a palindrome (347524222425743).

The spelling of 144402111221302 in words is "one hundred forty-four trillion, four hundred two billion, one hundred eleven million, two hundred twenty-one thousand, three hundred two".