142839782 has 8 divisors (see below), whose sum is σ = 216340176. Its totient is φ = 70726392.

The previous prime is 142839743. The next prime is 142839791. The reversal of 142839782 is 287938241.

142839782 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346493 + ... + 346904.

It is an arithmetic number, because the mean of its divisors is an integer number (27042522).

Almost surely, 2^142839782 is an apocalyptic number.

142839782 is a deficient number, since it is larger than the sum of its proper divisors (73500394).

142839782 is a wasteful number, since it uses less digits than its factorization.

142839782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693502.

The product of its digits is 193536, while the sum is 44.

The square root of 142839782 is about 11951.5598145179. The cubic root of 142839782 is about 522.7367814889.

The spelling of 142839782 in words is "one hundred forty-two million, eight hundred thirty-nine thousand, seven hundred eighty-two".