143055004221 has 6 divisors (see below), whose sum is σ = 206635006110. Its totient is φ = 95370002808.

The previous prime is 143055004181. The next prime is 143055004241. The reversal of 143055004221 is 122400550341.

143055004221 is a `hidden beast` number, since 1 + 430 + 5 + 5 + 0 + 0 + 4 + 221 = 666.

143055004221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 139417104996 + 3637899225 = 373386^2 + 60315^2 .

It is not a de Polignac number, because 143055004221 - 2¹⁰ = 143055003197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143055004241) 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 5 ways as a sum of consecutive naturals, for example, 7947500226 + ... + 7947500243.

It is an arithmetic number, because the mean of its divisors is an integer number (34439167685).

Almost surely, 2^143055004221 is an apocalyptic number.

It is an amenable number.

143055004221 is a deficient number, since it is larger than the sum of its proper divisors (63580001889).

143055004221 is a wasteful number, since it uses less digits than its factorization.

143055004221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15895000475 (or 15895000472 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 143055004221 its reverse (122400550341), we get a palindrome (265455554562).

The spelling of 143055004221 in words is "one hundred forty-three billion, fifty-five million, four thousand, two hundred twenty-one".