144534055221 has 12 divisors (see below), whose sum is σ = 208967825248. Its totient is φ = 96265385064.

The previous prime is 144534055213. The next prime is 144534055223. The reversal of 144534055221 is 122550435441.

144534055221 is a `hidden beast` number, since 1 + 4 + 45 + 3 + 40 + 552 + 21 = 666.

144534055221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 144534055221 - 2³ = 144534055213 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 (144534055223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7544215 + ... + 7563348.

Almost surely, 2^144534055221 is an apocalyptic number.

It is an amenable number.

144534055221 is a deficient number, since it is larger than the sum of its proper divisors (64433770027).

144534055221 is a wasteful number, since it uses less digits than its factorization.

144534055221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15108632 (or 15108629 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The spelling of 144534055221 in words is "one hundred forty-four billion, five hundred thirty-four million, fifty-five thousand, two hundred twenty-one".