240156052243 has 4 divisors (see below), whose sum is σ = 244093036768. Its totient is φ = 236219067720.

The previous prime is 240156052219. The next prime is 240156052273. The reversal of 240156052243 is 342250651042.

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 240156052243 - 2¹⁷ = 240155921171 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 240156052199 and 240156052208.

It is not an unprimeable number, because it can be changed into a prime (240156052273) 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, 1968492171 + ... + 1968492292.

It is an arithmetic number, because the mean of its divisors is an integer number (61023259192).

Almost surely, 2^240156052243 is an apocalyptic number.

240156052243 is a deficient number, since it is larger than the sum of its proper divisors (3936984525).

240156052243 is an equidigital number, since it uses as much as digits as its factorization.

240156052243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3936984524.

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 240156052243 in words is "two hundred forty billion, one hundred fifty-six million, fifty-two thousand, two hundred forty-three".