240845297 has 24 divisors (see below), whose sum is σ = 304414656. Its totient is φ = 186516000.

The previous prime is 240845291. The next prime is 240845299. The reversal of 240845297 is 792548042.

240845297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-240845297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (240845291) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 152522 + ... + 154092.

It is an arithmetic number, because the mean of its divisors is an integer number (12683944).

Almost surely, 2^240845297 is an apocalyptic number.

It is an amenable number.

240845297 is a deficient number, since it is larger than the sum of its proper divisors (63569359).

240845297 is a wasteful number, since it uses less digits than its factorization.

240845297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1781 (or 1770 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 240845297 is about 15519.1912482578. The cubic root of 240845297 is about 622.1752391691.

It can be divided in two parts, 240845 and 297, that added together give a palindrome (241142).

The spelling of 240845297 in words is "two hundred forty million, eight hundred forty-five thousand, two hundred ninety-seven".