140443105 has 8 divisors (see below), whose sum is σ = 183852864. Its totient is φ = 102140400.

The previous prime is 140443091. The next prime is 140443123. The reversal of 140443105 is 501344041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140443105 - 2⁷ = 140442977 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1276701 + ... + 1276810.

It is an arithmetic number, because the mean of its divisors is an integer number (22981608).

Almost surely, 2^140443105 is an apocalyptic number.

It is an amenable number.

140443105 is a deficient number, since it is larger than the sum of its proper divisors (43409759).

140443105 is a wasteful number, since it uses less digits than its factorization.

140443105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2553527.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 140443105 is about 11850.8693773917. The cubic root of 140443105 is about 519.7966475579.

Adding to 140443105 its reverse (501344041), we get a palindrome (641787146).

The spelling of 140443105 in words is "one hundred forty million, four hundred forty-three thousand, one hundred five".