142832839 has 4 divisors (see below), whose sum is σ = 146693224. Its totient is φ = 138972456.

The previous prime is 142832819. The next prime is 142832843. The reversal of 142832839 is 938238241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 938238241 = 23 ⋅40792967.

It is a cyclic number.

It is not a de Polignac number, because 142832839 - 2¹⁵ = 142800071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142832819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1930137 + ... + 1930210.

It is an arithmetic number, because the mean of its divisors is an integer number (36673306).

Almost surely, 2^142832839 is an apocalyptic number.

142832839 is a deficient number, since it is larger than the sum of its proper divisors (3860385).

142832839 is an equidigital number, since it uses as much as digits as its factorization.

142832839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3860384.

The product of its digits is 82944, while the sum is 40.

The square root of 142832839 is about 11951.2693468100. The cubic root of 142832839 is about 522.7283118123.

The spelling of 142832839 in words is "one hundred forty-two million, eight hundred thirty-two thousand, eight hundred thirty-nine".