140244103443243 has 4 divisors (see below), whose sum is σ = 186992137924328. Its totient is φ = 93496068962160.

The previous prime is 140244103443221. The next prime is 140244103443247. The reversal of 140244103443243 is 342344301442041.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 140244103443243 - 2⁶ = 140244103443179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140244103443247) 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, 23374017240538 + ... + 23374017240543.

It is an arithmetic number, because the mean of its divisors is an integer number (46748034481082).

Almost surely, 2^{140244103443243} is an apocalyptic number.

140244103443243 is a deficient number, since it is larger than the sum of its proper divisors (46748034481085).

140244103443243 is an equidigital number, since it uses as much as digits as its factorization.

140244103443243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46748034481084.

The product of its (nonzero) digits is 442368, while the sum is 39.

Adding to 140244103443243 its reverse (342344301442041), we get a palindrome (482588404885284).

The spelling of 140244103443243 in words is "one hundred forty trillion, two hundred forty-four billion, one hundred three million, four hundred forty-three thousand, two hundred forty-three".