242303453505 has 96 divisors (see below), whose sum is σ = 438967900800. Its totient is φ = 123537705984.

The previous prime is 242303453477. The next prime is 242303453537. The reversal of 242303453505 is 505354303242.

242303453505 is a `hidden beast` number, since 2 + 42 + 30 + 34 + 53 + 505 = 666.

It is not a de Polignac number, because 242303453505 - 2¹⁶ = 242303387969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242303453505.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 26595891 + ... + 26604999.

It is an arithmetic number, because the mean of its divisors is an integer number (4572582300).

Almost surely, 2^242303453505 is an apocalyptic number.

It is an amenable number.

242303453505 is a deficient number, since it is larger than the sum of its proper divisors (196664447295).

242303453505 is a wasteful number, since it uses less digits than its factorization.

242303453505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9455 (or 9452 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 36.

Adding to 242303453505 its reverse (505354303242), we get a palindrome (747657756747).

The spelling of 242303453505 in words is "two hundred forty-two billion, three hundred three million, four hundred fifty-three thousand, five hundred five".