142300224 has 168 divisors, whose sum is σ = 457736448. Its totient is φ = 41886720.

The previous prime is 142300219. The next prime is 142300243. The reversal of 142300224 is 422003241.

142300224 is a `hidden beast` number, since 142 + 300 + 224 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 142300197 and 142300206.

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 23 ways as a sum of consecutive naturals, for example, 234129 + ... + 234735.

Almost surely, 2^142300224 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 142300224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (228868224).

142300224 is an abundant number, since it is smaller than the sum of its proper divisors (315436224).

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

142300224 is a wasteful number, since it uses less digits than its factorization.

142300224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673 (or 660 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 142300224 is about 11928.9657556722. The cubic root of 142300224 is about 522.0777617892.

Adding to 142300224 its reverse (422003241), we get a palindrome (564303465).

The spelling of 142300224 in words is "one hundred forty-two million, three hundred thousand, two hundred twenty-four".