240242105 has 8 divisors (see below), whose sum is σ = 288585672. Its totient is φ = 191996928.

The previous prime is 240242069. The next prime is 240242129. The reversal of 240242105 is 501242042.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 88755241 + 151486864 = 9421^2 + 12308^2 .

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 240242105 - 2⁸ = 240241849 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, 19112 + ... + 29081.

It is an arithmetic number, because the mean of its divisors is an integer number (36073209).

Almost surely, 2^240242105 is an apocalyptic number.

It is an amenable number.

240242105 is a deficient number, since it is larger than the sum of its proper divisors (48343567).

240242105 is an equidigital number, since it uses as much as digits as its factorization.

240242105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49195.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 240242105 is about 15499.7453204883. The cubic root of 240242105 is about 621.6553966656.

Adding to 240242105 its reverse (501242042), we get a palindrome (741484147).

The spelling of 240242105 in words is "two hundred forty million, two hundred forty-two thousand, one hundred five".