140244243410243 has 4 divisors (see below), whose sum is σ = 160279135326000. Its totient is φ = 120209351494488.

The previous prime is 140244243410239. The next prime is 140244243410261. The reversal of 140244243410243 is 342014342442041.

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 140244243410243 - 2² = 140244243410239 is a prime.

It is a super-2 number, since 2×140244243410243² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140244243410197 and 140244243410206.

It is not an unprimeable number, because it can be changed into a prime (140244243410263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10017445957868 + ... + 10017445957881.

It is an arithmetic number, because the mean of its divisors is an integer number (40069783831500).

Almost surely, 2^{140244243410243} is an apocalyptic number.

140244243410243 is a deficient number, since it is larger than the sum of its proper divisors (20034891915757).

140244243410243 is an equidigital number, since it uses as much as digits as its factorization.

140244243410243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20034891915756.

The product of its (nonzero) digits is 294912, while the sum is 38.

Adding to 140244243410243 its reverse (342014342442041), we get a palindrome (482258585852284).

The spelling of 140244243410243 in words is "one hundred forty trillion, two hundred forty-four billion, two hundred forty-three million, four hundred ten thousand, two hundred forty-three".