240315 has 16 divisors (see below), whose sum is σ = 395808. Its totient is φ = 124416.

The previous prime is 240287. The next prime is 240319. The reversal of 240315 is 513042.

It is not a de Polignac number, because 240315 - 2⁵ = 240283 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 240294 and 240303.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 240315.

It is not an unprimeable number, because it can be changed into a prime (240319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 339 + ... + 771.

It is an arithmetic number, because the mean of its divisors is an integer number (24738).

2²⁴⁰³¹⁵ is an apocalyptic number.

240315 is a deficient number, since it is larger than the sum of its proper divisors (155493).

240315 is a wasteful number, since it uses less digits than its factorization.

240315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 240315 is about 490.2193386638. The cubic root of 240315 is about 62.1718265173.

Adding to 240315 its reverse (513042), we get a palindrome (753357).

It can be divided in two parts, 240 and 315, that added together give a palindrome (555).

The spelling of 240315 in words is "two hundred forty thousand, three hundred fifteen".