143130943 has 4 divisors (see below), whose sum is σ = 143163328. Its totient is φ = 143098560.

The previous prime is 143130931. The next prime is 143130947. The reversal of 143130943 is 349031341.

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 143130943 - 2¹³ = 143122751 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 (143130947) 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, 8271 + ... + 18832.

It is an arithmetic number, because the mean of its divisors is an integer number (35790832).

Almost surely, 2^143130943 is an apocalyptic number.

143130943 is a deficient number, since it is larger than the sum of its proper divisors (32385).

143130943 is an equidigital number, since it uses as much as digits as its factorization.

143130943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32384.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 143130943 is about 11963.7344922060. The cubic root of 143130943 is about 523.0917182461.

The spelling of 143130943 in words is "one hundred forty-three million, one hundred thirty thousand, nine hundred forty-three".