242453244545 has 32 divisors (see below), whose sum is σ = 308043171072. Its totient is φ = 182826749952.

The previous prime is 242453244491. The next prime is 242453244557. The reversal of 242453244545 is 545442354242.

It is a happy number.

242453244545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 242453244545 - 2²⁰ = 242452195969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242453244496 and 242453244505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2552474 + ... + 2645756.

It is an arithmetic number, because the mean of its divisors is an integer number (9626349096).

Almost surely, 2^242453244545 is an apocalyptic number.

It is an amenable number.

242453244545 is a deficient number, since it is larger than the sum of its proper divisors (65589926527).

242453244545 is a wasteful number, since it uses less digits than its factorization.

242453244545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93641.

The product of its digits is 3072000, while the sum is 44.

Adding to 242453244545 its reverse (545442354242), we get a palindrome (787895598787).

The spelling of 242453244545 in words is "two hundred forty-two billion, four hundred fifty-three million, two hundred forty-four thousand, five hundred forty-five".