240561745 has 16 divisors (see below), whose sum is σ = 297457920. Its totient is φ = 186667264.

The previous prime is 240561709. The next prime is 240561751. The reversal of 240561745 is 547165042.

It is a cyclic number.

It is not a de Polignac number, because 240561745 - 2⁷ = 240561617 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 240561745.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22026 + ... + 31084.

It is an arithmetic number, because the mean of its divisors is an integer number (18591120).

Almost surely, 2^240561745 is an apocalyptic number.

It is an amenable number.

240561745 is a deficient number, since it is larger than the sum of its proper divisors (56896175).

240561745 is a wasteful number, since it uses less digits than its factorization.

240561745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9224.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 240561745 is about 15510.0530302124. The cubic root of 240561745 is about 621.9309768219.

The spelling of 240561745 in words is "two hundred forty million, five hundred sixty-one thousand, seven hundred forty-five".