100000143 has 16 divisors (see below), whose sum is σ = 149936640. Its totient is φ = 65862072.

The previous prime is 100000127. The next prime is 100000193. The reversal of 100000143 is 341000001.

It is not a de Polignac number, because 100000143 - 2⁴ = 100000127 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

100000143 is a modest number, since divided by 143 gives 100 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100000123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20071 + ... + 24552.

It is an arithmetic number, because the mean of its divisors is an integer number (9371040).

Almost surely, 2^100000143 is an apocalyptic number.

100000143 is a deficient number, since it is larger than the sum of its proper divisors (49936497).

100000143 is an equidigital number, since it uses as much as digits as its factorization.

100000143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44715 (or 44709 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 100000143 is about 10000.0071499974. The cubic root of 100000143 is about 464.1591046102.

Adding to 100000143 its reverse (341000001), we get a palindrome (441000144).

The spelling of 100000143 in words is "one hundred million, one hundred forty-three", and thus it is an aban number.