142133224 has 32 divisors (see below), whose sum is σ = 287380800. Its totient is φ = 65681280.

The previous prime is 142133219. The next prime is 142133231. The reversal of 142133224 is 422331241.

142133224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 142133195 and 142133204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5172 + ... + 17635.

It is an arithmetic number, because the mean of its divisors is an integer number (8980650).

Almost surely, 2^142133224 is an apocalyptic number.

It is an amenable number.

142133224 is an abundant number, since it is smaller than the sum of its proper divisors (145247576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142133224 is a wasteful number, since it uses less digits than its factorization.

142133224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22873 (or 22869 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 142133224 is about 11921.9639321716. The cubic root of 142133224 is about 521.8734493554.

Adding to 142133224 its reverse (422331241), we get a palindrome (564464465).

The spelling of 142133224 in words is "one hundred forty-two million, one hundred thirty-three thousand, two hundred twenty-four".