242305255 has 8 divisors (see below), whose sum is σ = 291578400. Its totient is φ = 193302816.

The previous prime is 242305249. The next prime is 242305279. The reversal of 242305255 is 552503242.

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 242305255 - 2⁵ = 242305223 is a prime.

It is a congruent 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, 65700 + ... + 69289.

It is an arithmetic number, because the mean of its divisors is an integer number (36447300).

Almost surely, 2^242305255 is an apocalyptic number.

242305255 is a deficient number, since it is larger than the sum of its proper divisors (49273145).

242305255 is a wasteful number, since it uses less digits than its factorization.

242305255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135353.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 242305255 is about 15566.1573614043. The cubic root of 242305255 is about 623.4298764423.

Adding to 242305255 its reverse (552503242), we get a palindrome (794808497).

The spelling of 242305255 in words is "two hundred forty-two million, three hundred five thousand, two hundred fifty-five".