2100143 has 8 divisors (see below), whose sum is σ = 2170896. Its totient is φ = 2030400.

The previous prime is 2100121. The next prime is 2100167. The reversal of 2100143 is 3410012.

It is a happy number.

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 2100143 - 2⁶ = 2100079 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 (2100113) 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, 7280 + ... + 7562.

It is an arithmetic number, because the mean of its divisors is an integer number (271362).

2^2100143 is an apocalyptic number.

2100143 is a deficient number, since it is larger than the sum of its proper divisors (70753).

2100143 is a wasteful number, since it uses less digits than its factorization.

2100143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2100143 is about 1449.1870134665. The cubic root of 2100143 is about 128.0608231442.

Adding to 2100143 its reverse (3410012), we get a palindrome (5510155).

The spelling of 2100143 in words is "two million, one hundred thousand, one hundred forty-three".