242322153145 has 4 divisors (see below), whose sum is σ = 290786583780. Its totient is φ = 193857722512.

The previous prime is 242322153091. The next prime is 242322153163. The reversal of 242322153145 is 541351223242.

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 109044587961 + 133277565184 = 330219^2 + 365072^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242322153145 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242322153145.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24232215310 + ... + 24232215319.

It is an arithmetic number, because the mean of its divisors is an integer number (72696645945).

Almost surely, 2^242322153145 is an apocalyptic number.

It is an amenable number.

242322153145 is a deficient number, since it is larger than the sum of its proper divisors (48464430635).

242322153145 is an equidigital number, since it uses as much as digits as its factorization.

242322153145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48464430634.

The product of its digits is 57600, while the sum is 34.

Adding to 242322153145 its reverse (541351223242), we get a palindrome (783673376387).

The spelling of 242322153145 in words is "two hundred forty-two billion, three hundred twenty-two million, one hundred fifty-three thousand, one hundred forty-five".