2158143 has 8 divisors (see below), whose sum is σ = 3098928. Its totient is φ = 1328064.

The previous prime is 2158139. The next prime is 2158147. The reversal of 2158143 is 3418512.

It is an interprime number because it is at equal distance from previous prime (2158139) and next prime (2158147).

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

It is not a de Polignac number, because 2158143 - 2² = 2158139 is a prime.

It is a plaindrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2158147) 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, 27630 + ... + 27707.

It is an arithmetic number, because the mean of its divisors is an integer number (387366).

2^2158143 is an apocalyptic number.

2158143 is a deficient number, since it is larger than the sum of its proper divisors (940785).

2158143 is a wasteful number, since it uses less digits than its factorization.

2158143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55353.

The product of its digits is 960, while the sum is 24.

The square root of 2158143 is about 1469.0619455966. The cubic root of 2158143 is about 129.2290264733.

The spelling of 2158143 in words is "two million, one hundred fifty-eight thousand, one hundred forty-three".