140443343 has 2 divisors, whose sum is σ = 140443344. Its totient is φ = 140443342.

The previous prime is 140443321. The next prime is 140443349. The reversal of 140443343 is 343344041.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 140443343 - 2¹⁶ = 140377807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140443349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70221671 + 70221672.

It is an arithmetic number, because the mean of its divisors is an integer number (70221672).

Almost surely, 2^140443343 is an apocalyptic number.

140443343 is a deficient number, since it is larger than the sum of its proper divisors (1).

140443343 is an equidigital number, since it uses as much as digits as its factorization.

140443343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 140443343 is about 11850.8794188448. The cubic root of 140443343 is about 519.7969411798.

Adding to 140443343 its reverse (343344041), we get a palindrome (483787384).

The spelling of 140443343 in words is "one hundred forty million, four hundred forty-three thousand, three hundred forty-three".