144333432221 has 16 divisors (see below), whose sum is σ = 161262256320. Its totient is φ = 128044734720.

The previous prime is 144333432169. The next prime is 144333432223. The reversal of 144333432221 is 122234333441.

It is a cyclic number.

It is not a de Polignac number, because 144333432221 - 2⁶ = 144333432157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144333432223) 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, 386981 + ... + 662133.

It is an arithmetic number, because the mean of its divisors is an integer number (10078891020).

Almost surely, 2^144333432221 is an apocalyptic number.

144333432221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

144333432221 is a deficient number, since it is larger than the sum of its proper divisors (16928824099).

144333432221 is a wasteful number, since it uses less digits than its factorization.

144333432221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276316.

The product of its digits is 41472, while the sum is 32.

Adding to 144333432221 its reverse (122234333441), we get a palindrome (266567765662).

The spelling of 144333432221 in words is "one hundred forty-four billion, three hundred thirty-three million, four hundred thirty-two thousand, two hundred twenty-one".