103200143 has 4 divisors (see below), whose sum is σ = 104264160. Its totient is φ = 102136128.

The previous prime is 103200137. The next prime is 103200161. The reversal of 103200143 is 341002301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 103200143 - 2⁶ = 103200079 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 (103200113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 531863 + ... + 532056.

It is an arithmetic number, because the mean of its divisors is an integer number (26066040).

Almost surely, 2^103200143 is an apocalyptic number.

103200143 is a deficient number, since it is larger than the sum of its proper divisors (1064017).

103200143 is an equidigital number, since it uses as much as digits as its factorization.

103200143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064016.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 103200143 is about 10158.7471176322. The cubic root of 103200143 is about 469.0582364267.

Adding to 103200143 its reverse (341002301), we get a palindrome (444202444).

The spelling of 103200143 in words is "one hundred three million, two hundred thousand, one hundred forty-three".