240320545 has 8 divisors (see below), whose sum is σ = 288472896. Its totient is φ = 192197616.

The previous prime is 240320519. The next prime is 240320573. The reversal of 240320545 is 545023042.

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

It is a cyclic number.

It is not a de Polignac number, because 240320545 - 2⁹ = 240320033 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19614 + ... + 29416.

It is an arithmetic number, because the mean of its divisors is an integer number (36059112).

Almost surely, 2^240320545 is an apocalyptic number.

It is an amenable number.

240320545 is a deficient number, since it is larger than the sum of its proper divisors (48152351).

240320545 is an equidigital number, since it uses as much as digits as its factorization.

240320545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14711.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 240320545 is about 15502.2754781355. The cubic root of 240320545 is about 621.7230469542.

Adding to 240320545 its reverse (545023042), we get a palindrome (785343587).

The spelling of 240320545 in words is "two hundred forty million, three hundred twenty thousand, five hundred forty-five".