240113143 has 4 divisors (see below), whose sum is σ = 240718360. Its totient is φ = 239507928.

The previous prime is 240113129. The next prime is 240113171. The reversal of 240113143 is 341311042.

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 240113143 - 2²⁵ = 206558711 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 240113143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240113113) 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, 302013 + ... + 302806.

It is an arithmetic number, because the mean of its divisors is an integer number (60179590).

Almost surely, 2^240113143 is an apocalyptic number.

240113143 is a deficient number, since it is larger than the sum of its proper divisors (605217).

240113143 is an equidigital number, since it uses as much as digits as its factorization.

240113143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605216.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 240113143 is about 15495.5846291774. The cubic root of 240113143 is about 621.5441418509.

Adding to 240113143 its reverse (341311042), we get a palindrome (581424185).

The spelling of 240113143 in words is "two hundred forty million, one hundred thirteen thousand, one hundred forty-three".