142829 has 4 divisors (see below), whose sum is σ = 143676. Its totient is φ = 141984.

The previous prime is 142811. The next prime is 142837. The reversal of 142829 is 928241.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 928241 = 43 ⋅21587.

It can be written as a sum of positive squares in 2 ways, for example, as 9604 + 133225 = 98^2 + 365^2 .

It is a cyclic number.

It is not a de Polignac number, because 142829 - 2⁸ = 142573 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142798 and 142807.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 142829.

It is not an unprimeable number, because it can be changed into a prime (142529) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 74 + ... + 539.

It is an arithmetic number, because the mean of its divisors is an integer number (35919).

2¹⁴²⁸²⁹ is an apocalyptic number.

It is an amenable number.

142829 is a deficient number, since it is larger than the sum of its proper divisors (847).

142829 is an equidigital number, since it uses as much as digits as its factorization.

142829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846.

The product of its digits is 1152, while the sum is 26.

The square root of 142829 is about 377.9272416749. The cubic root of 142829 is about 52.2723628548.

The spelling of 142829 in words is "one hundred forty-two thousand, eight hundred twenty-nine".