142421123224 has 16 divisors (see below), whose sum is σ = 267044045400. Its totient is φ = 71209377792.

The previous prime is 142421123197. The next prime is 142421123249. The reversal of 142421123224 is 422321124241.

It is a junction number, because it is equal to n+sod(n) for n = 142421123192 and 142421123201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565912 + ... + 777880.

Almost surely, 2^142421123224 is an apocalyptic number.

It is an amenable number.

142421123224 is a deficient number, since it is larger than the sum of its proper divisors (124622922176).

142421123224 is a wasteful number, since it uses less digits than its factorization.

142421123224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295962 (or 295958 counting only the distinct ones).

The product of its digits is 6144, while the sum is 28.

Adding to 142421123224 its reverse (422321124241), we get a palindrome (564742247465).

The spelling of 142421123224 in words is "one hundred forty-two billion, four hundred twenty-one million, one hundred twenty-three thousand, two hundred twenty-four".