144203341221 has 12 divisors (see below), whose sum is σ = 209814108972. Its totient is φ = 95433840576.

The previous prime is 144203341181. The next prime is 144203341267. The reversal of 144203341221 is 122143302441.

144203341221 is a `hidden beast` number, since 1 + 44 + 203 + 3 + 412 + 2 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 27064856196 + 117138485025 = 164514^2 + 342255^2 .

It is not a de Polignac number, because 144203341221 - 2⁶ = 144203341157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144203361221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58475386 + ... + 58477851.

It is an arithmetic number, because the mean of its divisors is an integer number (17484509081).

Almost surely, 2^144203341221 is an apocalyptic number.

It is an amenable number.

144203341221 is a deficient number, since it is larger than the sum of its proper divisors (65610767751).

144203341221 is a wasteful number, since it uses less digits than its factorization.

144203341221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116953380 (or 116953377 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 144203341221 its reverse (122143302441), we get a palindrome (266346643662).

The spelling of 144203341221 in words is "one hundred forty-four billion, two hundred three million, three hundred forty-one thousand, two hundred twenty-one".