142285224 has 32 divisors (see below), whose sum is σ = 374436000. Its totient is φ = 44932032.

The previous prime is 142285201. The next prime is 142285267. The reversal of 142285224 is 422582241.

142285224 is digitally balanced in base 3, 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 = 142285191 and 142285200.

It is an unprimeable number.

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, 155559 + ... + 156470.

It is an arithmetic number, because the mean of its divisors is an integer number (11701125).

Almost surely, 2^142285224 is an apocalyptic number.

It is an amenable number.

142285224 is an abundant number, since it is smaller than the sum of its proper divisors (232150776).

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

142285224 is a wasteful number, since it uses less digits than its factorization.

142285224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312057 (or 312053 counting only the distinct ones).

The product of its digits is 10240, while the sum is 30.

The square root of 142285224 is about 11928.3370173717. The cubic root of 142285224 is about 522.0594169092.

The spelling of 142285224 in words is "one hundred forty-two million, two hundred eighty-five thousand, two hundred twenty-four".