2001140143 has 8 divisors (see below), whose sum is σ = 2018695680. Its totient is φ = 1983612960.

The previous prime is 2001140131. The next prime is 2001140161. The reversal of 2001140143 is 3410411002.

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-2001140143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001140443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149673 + ... + 162493.

It is an arithmetic number, because the mean of its divisors is an integer number (252336960).

Almost surely, 2^2001140143 is an apocalyptic number.

2001140143 is a deficient number, since it is larger than the sum of its proper divisors (17555537).

2001140143 is a wasteful number, since it uses less digits than its factorization.

2001140143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14177.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2001140143 is about 44734.1049200719. The cubic root of 2001140143 is about 1260.1604194423.

Adding to 2001140143 its reverse (3410411002), we get a palindrome (5411551145).

The spelling of 2001140143 in words is "two billion, one million, one hundred forty thousand, one hundred forty-three".