140443301 has 2 divisors, whose sum is σ = 140443302. Its totient is φ = 140443300.

The previous prime is 140443291. The next prime is 140443321. The reversal of 140443301 is 103344041.

It is a happy number.

It is an a-pointer prime, because the next prime (140443321) can be obtained adding 140443301 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92140801 + 48302500 = 9599^2 + 6950^2 .

It is a cyclic number.

It is not a de Polignac number, because 140443301 - 2¹⁰ = 140442277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (140443321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70221650 + 70221651.

It is an arithmetic number, because the mean of its divisors is an integer number (70221651).

Almost surely, 2^140443301 is an apocalyptic number.

It is an amenable number.

140443301 is a deficient number, since it is larger than the sum of its proper divisors (1).

140443301 is an equidigital number, since it uses as much as digits as its factorization.

140443301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 140443301 is about 11850.8776468243. The cubic root of 140443301 is about 519.7968893642.

Adding to 140443301 its reverse (103344041), we get a palindrome (243787342).

The spelling of 140443301 in words is "one hundred forty million, four hundred forty-three thousand, three hundred one".