143103143 has 4 divisors (see below), whose sum is σ = 145528680. Its totient is φ = 140677608.

The previous prime is 143103119. The next prime is 143103151. The reversal of 143103143 is 341301341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341301341 = 373 ⋅915017.

It is a cyclic number.

It is not a de Polignac number, because 143103143 - 2⁸ = 143102887 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 (143103113) 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 3 ways as a sum of consecutive naturals, for example, 1212680 + ... + 1212797.

It is an arithmetic number, because the mean of its divisors is an integer number (36382170).

Almost surely, 2^143103143 is an apocalyptic number.

143103143 is a deficient number, since it is larger than the sum of its proper divisors (2425537).

143103143 is an equidigital number, since it uses as much as digits as its factorization.

143103143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2425536.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 143103143 is about 11962.5725912113. The cubic root of 143103143 is about 523.0578497454.

Adding to 143103143 its reverse (341301341), we get a palindrome (484404484).

The spelling of 143103143 in words is "one hundred forty-three million, one hundred three thousand, one hundred forty-three".