142871184 has 120 divisors (see below), whose sum is σ = 426857600. Its totient is φ = 44478720.

The previous prime is 142871167. The next prime is 142871207. The reversal of 142871184 is 481178241.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 215814 + ... + 216474.

Almost surely, 2^142871184 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 142871184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213428800).

142871184 is an abundant number, since it is smaller than the sum of its proper divisors (283986416).

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

142871184 is a wasteful number, since it uses less digits than its factorization.

142871184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773 (or 764 counting only the distinct ones).

The product of its digits is 14336, while the sum is 36.

The square root of 142871184 is about 11952.8734620592. The cubic root of 142871184 is about 522.7750849584.

The spelling of 142871184 in words is "one hundred forty-two million, eight hundred seventy-one thousand, one hundred eighty-four".