2985143 has 8 divisors (see below), whose sum is σ = 3427200. Its totient is φ = 2547000.

The previous prime is 2985133. The next prime is 2985163. The reversal of 2985143 is 3415892.

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

It is a cyclic number.

It is not a de Polignac number, because 2985143 - 2⁴ = 2985127 is a prime.

It is a super-2 number, since 2×2985143² = 17822157460898, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2985113) 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, 908 + ... + 2606.

It is an arithmetic number, because the mean of its divisors is an integer number (428400).

2^2985143 is an apocalyptic number.

2985143 is a deficient number, since it is larger than the sum of its proper divisors (442057).

2985143 is a wasteful number, since it uses less digits than its factorization.

2985143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1957.

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

The square root of 2985143 is about 1727.7566379557. The cubic root of 2985143 is about 143.9864795691.

The spelling of 2985143 in words is "two million, nine hundred eighty-five thousand, one hundred forty-three".