142203224 has 16 divisors (see below), whose sum is σ = 266765400. Its totient is φ = 71065792.

The previous prime is 142203223. The next prime is 142203233. The reversal of 142203224 is 422302241.

142203224 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 = 142203196 and 142203205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142203223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20759 + ... + 26745.

Almost surely, 2^142203224 is an apocalyptic number.

It is an amenable number.

142203224 is a deficient number, since it is larger than the sum of its proper divisors (124562176).

142203224 is a wasteful number, since it uses less digits than its factorization.

142203224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8962 (or 8958 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 142203224 is about 11924.8993287155. The cubic root of 142203224 is about 521.9591087692.

Adding to 142203224 its reverse (422302241), we get a palindrome (564505465).

The spelling of 142203224 in words is "one hundred forty-two million, two hundred three thousand, two hundred twenty-four".