142140084 has 48 divisors (see below), whose sum is σ = 345655296. Its totient is φ = 45410400.

The previous prime is 142140059. The next prime is 142140091. The reversal of 142140084 is 480041241.

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 15 ways as a sum of consecutive naturals, for example, 38019 + ... + 41589.

It is an arithmetic number, because the mean of its divisors is an integer number (7201152).

Almost surely, 2^142140084 is an apocalyptic number.

It is an amenable number.

142140084 is an abundant number, since it is smaller than the sum of its proper divisors (203515212).

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

142140084 is a wasteful number, since it uses less digits than its factorization.

142140084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3716 (or 3714 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 142140084 is about 11922.2516329760. The cubic root of 142140084 is about 521.8818452208.

The spelling of 142140084 in words is "one hundred forty-two million, one hundred forty thousand, eighty-four".