142881212 has 6 divisors (see below), whose sum is σ = 250042128. Its totient is φ = 71440604.

The previous prime is 142881191. The next prime is 142881247. The reversal of 142881212 is 212188241.

142881212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 17860148 + ... + 17860155.

It is an arithmetic number, because the mean of its divisors is an integer number (41673688).

Almost surely, 2^142881212 is an apocalyptic number.

It is an amenable number.

142881212 is a deficient number, since it is larger than the sum of its proper divisors (107160916).

142881212 is a wasteful number, since it uses less digits than its factorization.

142881212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35720307 (or 35720305 counting only the distinct ones).

The product of its digits is 2048, while the sum is 29.

The square root of 142881212 is about 11953.2929354216. The cubic root of 142881212 is about 522.7873157100.

The spelling of 142881212 in words is "one hundred forty-two million, eight hundred eighty-one thousand, two hundred twelve".