143145717443 has 4 divisors (see below), whose sum is σ = 143364930528. Its totient is φ = 142926504360.

The previous prime is 143145717427. The next prime is 143145717469. The reversal of 143145717443 is 344717541341.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 344717541341 = 34129 ⋅10100429.

It is a cyclic number.

It is not a de Polignac number, because 143145717443 - 2⁴ = 143145717427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 143145717394 and 143145717403.

It is not an unprimeable number, because it can be changed into a prime (143145717643) 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, 109605563 + ... + 109606868.

It is an arithmetic number, because the mean of its divisors is an integer number (35841232632).

Almost surely, 2^143145717443 is an apocalyptic number.

143145717443 is a deficient number, since it is larger than the sum of its proper divisors (219213085).

143145717443 is an equidigital number, since it uses as much as digits as its factorization.

143145717443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219213084.

The product of its digits is 564480, while the sum is 44.

The spelling of 143145717443 in words is "one hundred forty-three billion, one hundred forty-five million, seven hundred seventeen thousand, four hundred forty-three".