142200224 has 48 divisors (see below), whose sum is σ = 299013120. Its totient is φ = 66420480.

The previous prime is 142200221. The next prime is 142200229. The reversal of 142200224 is 422002241.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (142200221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26297 + ... + 31239.

It is an arithmetic number, because the mean of its divisors is an integer number (6229440).

Almost surely, 2^142200224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142200224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149506560).

142200224 is an abundant number, since it is smaller than the sum of its proper divisors (156812896).

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

142200224 is a wasteful number, since it uses less digits than its factorization.

142200224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5013 (or 5005 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 142200224 is about 11924.7735408267. The cubic root of 142200224 is about 521.9554382281.

Adding to 142200224 its reverse (422002241), we get a palindrome (564202465).

The spelling of 142200224 in words is "one hundred forty-two million, two hundred thousand, two hundred twenty-four".