240242345 has 32 divisors (see below), whose sum is σ = 341107200. Its totient is φ = 162335040.

The previous prime is 240242323. The next prime is 240242371. The reversal of 240242345 is 543242042.

It is a happy number.

It is not a de Polignac number, because 240242345 - 2¹⁸ = 239980201 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120779 + ... + 122751.

It is an arithmetic number, because the mean of its divisors is an integer number (10659600).

Almost surely, 2^240242345 is an apocalyptic number.

It is an amenable number.

240242345 is a deficient number, since it is larger than the sum of its proper divisors (100864855).

240242345 is an equidigital number, since it uses as much as digits as its factorization.

240242345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2070 (or 2056 counting only the distinct ones).

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

The square root of 240242345 is about 15499.7530625491. The cubic root of 240242345 is about 621.6556036752.

Adding to 240242345 its reverse (543242042), we get a palindrome (783484387).

The spelling of 240242345 in words is "two hundred forty million, two hundred forty-two thousand, three hundred forty-five".