142783312 has 20 divisors (see below), whose sum is σ = 316163296. Its totient is φ = 61192800.

The previous prime is 142783253. The next prime is 142783313. The reversal of 142783312 is 213387241.

142783312 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 not an unprimeable number, because it can be changed into a prime (142783313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 637314 + ... + 637537.

Almost surely, 2^142783312 is an apocalyptic number.

It is an amenable number.

142783312 is an abundant number, since it is smaller than the sum of its proper divisors (173379984).

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

142783312 is a wasteful number, since it uses less digits than its factorization.

142783312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274866 (or 1274860 counting only the distinct ones).

The product of its digits is 8064, while the sum is 31.

The square root of 142783312 is about 11949.1971278408. The cubic root of 142783312 is about 522.6678864970.

The spelling of 142783312 in words is "one hundred forty-two million, seven hundred eighty-three thousand, three hundred twelve".