242431202045 has 4 divisors (see below), whose sum is σ = 290917442460. Its totient is φ = 193944961632.

The previous prime is 242431202029. The next prime is 242431202051. The reversal of 242431202045 is 540202134242.

242431202045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 158902687876 + 83528514169 = 398626^2 + 289013^2 .

It is a cyclic number.

It is not a de Polignac number, because 242431202045 - 2⁴ = 242431202029 is a prime.

It is a super-2 number, since 2×242431202045² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 242431201999 and 242431202017.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 24243120200 + ... + 24243120209.

It is an arithmetic number, because the mean of its divisors is an integer number (72729360615).

Almost surely, 2^242431202045 is an apocalyptic number.

It is an amenable number.

242431202045 is a deficient number, since it is larger than the sum of its proper divisors (48486240415).

242431202045 is an equidigital number, since it uses as much as digits as its factorization.

242431202045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48486240414.

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 242431202045 its reverse (540202134242), we get a palindrome (782633336287).

The spelling of 242431202045 in words is "two hundred forty-two billion, four hundred thirty-one million, two hundred two thousand, forty-five".