143121464422 has 16 divisors (see below), whose sum is σ = 217980964080. Its totient is φ = 70469199072.

The previous prime is 143121464413. The next prime is 143121464429. The reversal of 143121464422 is 224464121341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143121464429) 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 7 ways as a sum of consecutive naturals, for example, 1978333 + ... + 2049400.

It is an arithmetic number, because the mean of its divisors is an integer number (13623810255).

Almost surely, 2^143121464422 is an apocalyptic number.

143121464422 is a deficient number, since it is larger than the sum of its proper divisors (74859499658).

143121464422 is a wasteful number, since it uses less digits than its factorization.

143121464422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4028007.

The product of its digits is 36864, while the sum is 34.

Adding to 143121464422 its reverse (224464121341), we get a palindrome (367585585763).

The spelling of 143121464422 in words is "one hundred forty-three billion, one hundred twenty-one million, four hundred sixty-four thousand, four hundred twenty-two".