142883999 has 8 divisors (see below), whose sum is σ = 145639680. Its totient is φ = 140146776.

The previous prime is 142883977. The next prime is 142884011. The reversal of 142883999 is 999388241.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142883999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142883999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142883959) 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 7 ways as a sum of consecutive naturals, for example, 11552 + ... + 20474.

It is an arithmetic number, because the mean of its divisors is an integer number (18204960).

Almost surely, 2^142883999 is an apocalyptic number.

142883999 is a deficient number, since it is larger than the sum of its proper divisors (2755681).

142883999 is an equidigital number, since it uses as much as digits as its factorization.

142883999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9229.

The product of its digits is 1119744, while the sum is 53.

The square root of 142883999 is about 11953.4095136074. The cubic root of 142883999 is about 522.7907148011.

The spelling of 142883999 in words is "one hundred forty-two million, eight hundred eighty-three thousand, nine hundred ninety-nine".