240315245 has 8 divisors (see below), whose sum is σ = 289889280. Its totient is φ = 191244880.

The previous prime is 240315221. The next prime is 240315263. The reversal of 240315245 is 542513042.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-240315245 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124865 + ... + 126774.

It is an arithmetic number, because the mean of its divisors is an integer number (36236160).

Almost surely, 2^240315245 is an apocalyptic number.

It is an amenable number.

240315245 is a deficient number, since it is larger than the sum of its proper divisors (49574035).

240315245 is a wasteful number, since it uses less digits than its factorization.

240315245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251835.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 240315245 is about 15502.1045345463. The cubic root of 240315245 is about 621.7184764525.

Adding to 240315245 its reverse (542513042), we get a palindrome (782828287).

The spelling of 240315245 in words is "two hundred forty million, three hundred fifteen thousand, two hundred forty-five".