142835683 has 4 divisors (see below), whose sum is σ = 151237800. Its totient is φ = 134433568.

The previous prime is 142835659. The next prime is 142835687. The reversal of 142835683 is 386538241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 386538241 = 1187 ⋅325643.

It is a cyclic number.

It is not a de Polignac number, because 142835683 - 2⁹ = 142835171 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142835687) 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, 4201033 + ... + 4201066.

It is an arithmetic number, because the mean of its divisors is an integer number (37809450).

Almost surely, 2^142835683 is an apocalyptic number.

142835683 is a deficient number, since it is larger than the sum of its proper divisors (8402117).

142835683 is an equidigital number, since it uses as much as digits as its factorization.

142835683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8402116.

The product of its digits is 138240, while the sum is 40.

The square root of 142835683 is about 11951.3883293950. The cubic root of 142835683 is about 522.7317812046.

The spelling of 142835683 in words is "one hundred forty-two million, eight hundred thirty-five thousand, six hundred eighty-three".