143285992 has 32 divisors (see below), whose sum is σ = 283449600. Its totient is φ = 67716864.

The previous prime is 143285969. The next prime is 143286001. The reversal of 143285992 is 299582341.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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, 91488 + ... + 93040.

It is an arithmetic number, because the mean of its divisors is an integer number (8857800).

Almost surely, 2^143285992 is an apocalyptic number.

It is an amenable number.

143285992 is a deficient number, since it is larger than the sum of its proper divisors (140163608).

143285992 is a wasteful number, since it uses less digits than its factorization.

143285992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2185 (or 2181 counting only the distinct ones).

The product of its digits is 155520, while the sum is 43.

The square root of 143285992 is about 11970.2126965230. The cubic root of 143285992 is about 523.2805327160.

The spelling of 143285992 in words is "one hundred forty-three million, two hundred eighty-five thousand, nine hundred ninety-two".