240252143 has 8 divisors (see below), whose sum is σ = 257968800. Its totient is φ = 222933760.

The previous prime is 240252119. The next prime is 240252163. The reversal of 240252143 is 341252042.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 240252143 - 2⁸ = 240251887 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240252163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98318 + ... + 100731.

It is an arithmetic number, because the mean of its divisors is an integer number (32246100).

Almost surely, 2^240252143 is an apocalyptic number.

240252143 is a deficient number, since it is larger than the sum of its proper divisors (17716657).

240252143 is a wasteful number, since it uses less digits than its factorization.

240252143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199137.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 240252143 is about 15500.0691288781. The cubic root of 240252143 is about 621.6640547232.

It can be divided in two parts, 2402 and 52143, that added together give a palindrome (54545).

The spelling of 240252143 in words is "two hundred forty million, two hundred fifty-two thousand, one hundred forty-three".