240669545 has 8 divisors (see below), whose sum is σ = 290533824. Its totient is φ = 191382064.

The previous prime is 240669529. The next prime is 240669557. The reversal of 240669545 is 545966042.

It is a happy number.

240669545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 240669545 - 2⁴ = 240669529 is a prime.

It is a Duffinian number.

It is a Curzon 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, 143279 + ... + 144948.

It is an arithmetic number, because the mean of its divisors is an integer number (36316728).

Almost surely, 2^240669545 is an apocalyptic number.

It is an amenable number.

240669545 is a deficient number, since it is larger than the sum of its proper divisors (49864279).

240669545 is a wasteful number, since it uses less digits than its factorization.

240669545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288399.

The product of its (nonzero) digits is 259200, while the sum is 41.

The square root of 240669545 is about 15513.5278064017. The cubic root of 240669545 is about 622.0238623958.

The spelling of 240669545 in words is "two hundred forty million, six hundred sixty-nine thousand, five hundred forty-five".