140443 has 2 divisors, whose sum is σ = 140444. Its totient is φ = 140442.

The previous prime is 140423. The next prime is 140449. The reversal of 140443 is 344041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140443 - 2⁵ = 140411 is a prime.

It is a plaindrome in base 9 and base 16.

It is not a weakly prime, because it can be changed into another prime (140449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70221 + 70222.

It is an arithmetic number, because the mean of its divisors is an integer number (70222).

2¹⁴⁰⁴⁴³ is an apocalyptic number.

140443 is a deficient number, since it is larger than the sum of its proper divisors (1).

140443 is an equidigital number, since it uses as much as digits as its factorization.

140443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 140443 is about 374.7572547663. The cubic root of 140443 is about 51.9796518019.

Adding to 140443 its reverse (344041), we get a palindrome (484484).

The spelling of 140443 in words is "one hundred forty thousand, four hundred forty-three", and thus it is an iban number.