240243245 has 8 divisors (see below), whose sum is σ = 314500320. Its totient is φ = 174722320.

The previous prime is 240243209. The next prime is 240243247. The reversal of 240243245 is 542342042.

It is a happy number.

240243245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 240243245 - 2⁶ = 240243181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240243247) 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, 2183975 + ... + 2184084.

It is an arithmetic number, because the mean of its divisors is an integer number (39312540).

Almost surely, 2^240243245 is an apocalyptic number.

It is an amenable number.

240243245 is a deficient number, since it is larger than the sum of its proper divisors (74257075).

240243245 is a wasteful number, since it uses less digits than its factorization.

240243245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4368075.

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 240243245 is about 15499.7820952425. The cubic root of 240243245 is about 621.6563799598.

Adding to 240243245 its reverse (542342042), we get a palindrome (782585287).

The spelling of 240243245 in words is "two hundred forty million, two hundred forty-three thousand, two hundred forty-five".