142203829 has 2 divisors, whose sum is σ = 142203830. Its totient is φ = 142203828.

The previous prime is 142203739. The next prime is 142203857. The reversal of 142203829 is 928302241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136936804 + 5267025 = 11702^2 + 2295^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142203829 is a prime.

It is a super-2 number, since 2×142203829² = 40443857964522482, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 142203829.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142203869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71101914 + 71101915.

It is an arithmetic number, because the mean of its divisors is an integer number (71101915).

Almost surely, 2^142203829 is an apocalyptic number.

It is an amenable number.

142203829 is a deficient number, since it is larger than the sum of its proper divisors (1).

142203829 is an equidigital number, since it uses as much as digits as its factorization.

142203829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 142203829 is about 11924.9246957790. The cubic root of 142203829 is about 521.9598489887.

The spelling of 142203829 in words is "one hundred forty-two million, two hundred three thousand, eight hundred twenty-nine".