240142443 has 4 divisors (see below), whose sum is σ = 320189928. Its totient is φ = 160094960.

The previous prime is 240142439. The next prime is 240142451. The reversal of 240142443 is 344241042.

It is a happy number.

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 240142443 - 2² = 240142439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (240142403) 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, 40023738 + ... + 40023743.

It is an arithmetic number, because the mean of its divisors is an integer number (80047482).

Almost surely, 2^240142443 is an apocalyptic number.

240142443 is a deficient number, since it is larger than the sum of its proper divisors (80047485).

240142443 is an equidigital number, since it uses as much as digits as its factorization.

240142443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80047484.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 240142443 is about 15496.5300309456. The cubic root of 240142443 is about 621.5694222978.

Adding to 240142443 its reverse (344241042), we get a palindrome (584383485).

It can be divided in two parts, 2401 and 42443, that added together give a palindrome (44844).

The spelling of 240142443 in words is "two hundred forty million, one hundred forty-two thousand, four hundred forty-three".