143297143 has 4 divisors (see below), whose sum is σ = 156324168. Its totient is φ = 130270120.

The previous prime is 143297137. The next prime is 143297191. The reversal of 143297143 is 341792341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341792341 = 11 ⋅31072031.

It is a cyclic number.

It is not a de Polignac number, because 143297143 - 2¹⁷ = 143166071 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143297099 and 143297108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143297443) 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, 6513496 + ... + 6513517.

It is an arithmetic number, because the mean of its divisors is an integer number (39081042).

Almost surely, 2^143297143 is an apocalyptic number.

143297143 is a deficient number, since it is larger than the sum of its proper divisors (13027025).

143297143 is a wasteful number, since it uses less digits than its factorization.

143297143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13027024.

The product of its digits is 18144, while the sum is 34.

The square root of 143297143 is about 11970.6784686583. The cubic root of 143297143 is about 523.2941068502.

The spelling of 143297143 in words is "one hundred forty-three million, two hundred ninety-seven thousand, one hundred forty-three".