143442221422 has 16 divisors (see below), whose sum is σ = 215457495552. Its totient is φ = 71623104480.

The previous prime is 143442221411. The next prime is 143442221443. The reversal of 143442221422 is 224122244341.

143442221422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7456288 + ... + 7475500.

It is an arithmetic number, because the mean of its divisors is an integer number (13466093472).

Almost surely, 2^143442221422 is an apocalyptic number.

143442221422 is a deficient number, since it is larger than the sum of its proper divisors (72015274130).

143442221422 is a wasteful number, since it uses less digits than its factorization.

143442221422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24123.

The product of its digits is 24576, while the sum is 31.

Adding to 143442221422 its reverse (224122244341), we get a palindrome (367564465763).

The spelling of 143442221422 in words is "one hundred forty-three billion, four hundred forty-two million, two hundred twenty-one thousand, four hundred twenty-two".