242440303 has 4 divisors (see below), whose sum is σ = 277074640. Its totient is φ = 207805968.

The previous prime is 242440301. The next prime is 242440343. The reversal of 242440303 is 303044242.

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

It is a cyclic number.

It is not a de Polignac number, because 242440303 - 2¹ = 242440301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242440301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17317158 + ... + 17317171.

It is an arithmetic number, because the mean of its divisors is an integer number (69268660).

Almost surely, 2^242440303 is an apocalyptic number.

242440303 is a deficient number, since it is larger than the sum of its proper divisors (34634337).

242440303 is an equidigital number, since it uses as much as digits as its factorization.

242440303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34634336.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 242440303 is about 15570.4946292660. The cubic root of 242440303 is about 623.5456770967.

Adding to 242440303 its reverse (303044242), we get a palindrome (545484545).

The spelling of 242440303 in words is "two hundred forty-two million, four hundred forty thousand, three hundred three".