143200985 has 8 divisors (see below), whose sum is σ = 177766920. Its totient is φ = 110610304.

The previous prime is 143200973. The next prime is 143200991. The reversal of 143200985 is 589002341.

It can be written as a sum of positive squares in 4 ways, for example, as 48177481 + 95023504 = 6941^2 + 9748^2 .

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-143200985 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 493652 + ... + 493941.

It is an arithmetic number, because the mean of its divisors is an integer number (22220865).

Almost surely, 2^143200985 is an apocalyptic number.

It is an amenable number.

143200985 is a deficient number, since it is larger than the sum of its proper divisors (34565935).

143200985 is an equidigital number, since it uses as much as digits as its factorization.

143200985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987627.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 143200985 is about 11966.6613973990. The cubic root of 143200985 is about 523.1770303726.

The spelling of 143200985 in words is "one hundred forty-three million, two hundred thousand, nine hundred eighty-five".