142041224 has 32 divisors (see below), whose sum is σ = 294573720. Its totient is φ = 63783936.

The previous prime is 142041167. The next prime is 142041247. The reversal of 142041224 is 422140241.

It can be written as a sum of positive squares in 4 ways, for example, as 142038724 + 2500 = 11918^2 + 50^2 .

It is a junction number, because it is equal to n+sod(n) for n = 142041196 and 142041205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14609 + ... + 22304.

Almost surely, 2^142041224 is an apocalyptic number.

It is an amenable number.

142041224 is an abundant number, since it is smaller than the sum of its proper divisors (152532496).

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

142041224 is a wasteful number, since it uses less digits than its factorization.

142041224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36969 (or 36965 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 142041224 is about 11918.1048829082. The cubic root of 142041224 is about 521.7608256284.

Adding to 142041224 its reverse (422140241), we get a palindrome (564181465).

The spelling of 142041224 in words is "one hundred forty-two million, forty-one thousand, two hundred twenty-four".