143140443 has 4 divisors (see below), whose sum is σ = 190853928. Its totient is φ = 95426960.

The previous prime is 143140409. The next prime is 143140447. The reversal of 143140443 is 344041341.

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 143140443 - 2⁶ = 143140379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (143140447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23856738 + ... + 23856743.

It is an arithmetic number, because the mean of its divisors is an integer number (47713482).

Almost surely, 2^143140443 is an apocalyptic number.

143140443 is a deficient number, since it is larger than the sum of its proper divisors (47713485).

143140443 is an equidigital number, since it uses as much as digits as its factorization.

143140443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47713484.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 143140443 is about 11964.1315188358. The cubic root of 143140443 is about 523.1032910090.

Adding to 143140443 its reverse (344041341), we get a palindrome (487181784).

The spelling of 143140443 in words is "one hundred forty-three million, one hundred forty thousand, four hundred forty-three".