240120345 has 32 divisors (see below), whose sum is σ = 403045632. Its totient is φ = 121839872.

The previous prime is 240120341. The next prime is 240120403. The reversal of 240120345 is 543021042.

It is a cyclic number.

It is not a de Polignac number, because 240120345 - 2² = 240120341 is a prime.

It is a super-3 number, since 3×240120345³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (240120341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66199 + ... + 69731.

It is an arithmetic number, because the mean of its divisors is an integer number (12595176).

Almost surely, 2^240120345 is an apocalyptic number.

It is an amenable number.

240120345 is a deficient number, since it is larger than the sum of its proper divisors (162925287).

240120345 is a wasteful number, since it uses less digits than its factorization.

240120345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3761.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 240120345 is about 15495.8170162144. The cubic root of 240120345 is about 621.5503560271.

Adding to 240120345 its reverse (543021042), we get a palindrome (783141387).

The spelling of 240120345 in words is "two hundred forty million, one hundred twenty thousand, three hundred forty-five".