142224084 has 36 divisors (see below), whose sum is σ = 362147604. Its totient is φ = 47060352.

The previous prime is 142224073. The next prime is 142224119. The reversal of 142224084 is 480422241.

It can be written as a sum of positive squares in 2 ways, for example, as 87048900 + 55175184 = 9330^2 + 7428^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 9487 + ... + 19350.

Almost surely, 2^142224084 is an apocalyptic number.

It is an amenable number.

142224084 is an abundant number, since it is smaller than the sum of its proper divisors (219923520).

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

142224084 is a wasteful number, since it uses less digits than its factorization.

142224084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28984 (or 28979 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

The square root of 142224084 is about 11925.7739371497. The cubic root of 142224084 is about 521.9846298377.

The spelling of 142224084 in words is "one hundred forty-two million, two hundred twenty-four thousand, eighty-four".