240045605 has 4 divisors (see below), whose sum is σ = 288054732. Its totient is φ = 192036480.

The previous prime is 240045599. The next prime is 240045613. The reversal of 240045605 is 506540042.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 62995969 + 177049636 = 7937^2 + 13306^2 .

It is not a de Polignac number, because 240045605 - 2⁸ = 240045349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24004556 + ... + 24004565.

It is an arithmetic number, because the mean of its divisors is an integer number (72013683).

Almost surely, 2^240045605 is an apocalyptic number.

It is an amenable number.

240045605 is a deficient number, since it is larger than the sum of its proper divisors (48009127).

240045605 is an equidigital number, since it uses as much as digits as its factorization.

240045605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48009126.

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

The square root of 240045605 is about 15493.4052099595. The cubic root of 240045605 is about 621.4858612918.

Adding to 240045605 its reverse (506540042), we get a palindrome (746585647).

The spelling of 240045605 in words is "two hundred forty million, forty-five thousand, six hundred five".