144340413201221 has 16 divisors (see below), whose sum is σ = 144984470400000. Its totient is φ = 143698002619776.

The previous prime is 144340413201181. The next prime is 144340413201263. The reversal of 144340413201221 is 122102314043441.

144340413201221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 144340413201221 - 2¹⁸ = 144340412939077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144340413201521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 599128175 + ... + 599369043.

It is an arithmetic number, because the mean of its divisors is an integer number (9061529400000).

Almost surely, 2^{144340413201221} is an apocalyptic number.

It is an amenable number.

144340413201221 is a deficient number, since it is larger than the sum of its proper divisors (644057198779).

144340413201221 is a wasteful number, since it uses less digits than its factorization.

144340413201221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244276.

The product of its (nonzero) digits is 18432, while the sum is 32.

Adding to 144340413201221 its reverse (122102314043441), we get a palindrome (266442727244662).

The spelling of 144340413201221 in words is "one hundred forty-four trillion, three hundred forty billion, four hundred thirteen million, two hundred one thousand, two hundred twenty-one".