240945 has 8 divisors (see below), whose sum is σ = 385536. Its totient is φ = 128496.

The previous prime is 240943. The next prime is 240953. The reversal of 240945 is 549042.

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

It is not a de Polignac number, because 240945 - 2¹ = 240943 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

240945 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (240943) 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, 8017 + ... + 8046.

It is an arithmetic number, because the mean of its divisors is an integer number (48192).

2²⁴⁰⁹⁴⁵ is an apocalyptic number.

It is an amenable number.

240945 is a deficient number, since it is larger than the sum of its proper divisors (144591).

240945 is a wasteful number, since it uses less digits than its factorization.

240945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16071.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 240945 is about 490.8614875909. The cubic root of 240945 is about 62.2261081521.

Adding to 240945 its reverse (549042), we get a palindrome (789987).

The spelling of 240945 in words is "two hundred forty thousand, nine hundred forty-five".