140441143 has 4 divisors (see below), whose sum is σ = 140959648. Its totient is φ = 139922640.

The previous prime is 140441137. The next prime is 140441173. The reversal of 140441143 is 341144041.

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 140441143 - 2⁵ = 140441111 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 (140441173) 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 in 3 ways as a sum of consecutive naturals, for example, 258846 + ... + 259387.

It is an arithmetic number, because the mean of its divisors is an integer number (35239912).

Almost surely, 2^140441143 is an apocalyptic number.

140441143 is a deficient number, since it is larger than the sum of its proper divisors (518505).

140441143 is an equidigital number, since it uses as much as digits as its factorization.

140441143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518504.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 140441143 is about 11850.7865983655. The cubic root of 140441143 is about 519.7942270148.

Adding to 140441143 its reverse (341144041), we get a palindrome (481585184).

The spelling of 140441143 in words is "one hundred forty million, four hundred forty-one thousand, one hundred forty-three".