240652645 has 4 divisors (see below), whose sum is σ = 288783180. Its totient is φ = 192522112.

The previous prime is 240652637. The next prime is 240652649. The reversal of 240652645 is 546256042.

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 131951169 + 108701476 = 11487^2 + 10426^2 .

It is a cyclic number.

It is not a de Polignac number, because 240652645 - 2³ = 240652637 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 240652645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240652649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24065260 + ... + 24065269.

It is an arithmetic number, because the mean of its divisors is an integer number (72195795).

Almost surely, 2^240652645 is an apocalyptic number.

It is an amenable number.

240652645 is a deficient number, since it is larger than the sum of its proper divisors (48130535).

240652645 is an equidigital number, since it uses as much as digits as its factorization.

240652645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48130534.

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 240652645 is about 15512.9831109300. The cubic root of 240652645 is about 622.0093023908.

The spelling of 240652645 in words is "two hundred forty million, six hundred fifty-two thousand, six hundred forty-five".