242200205155 has 8 divisors (see below), whose sum is σ = 290650506192. Its totient is φ = 193753324128.

The previous prime is 242200205089. The next prime is 242200205183. The reversal of 242200205155 is 551502002242.

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 242200205155 - 2⁹ = 242200204643 is a prime.

It is a Duffinian 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, 696529 + ... + 984658.

It is an arithmetic number, because the mean of its divisors is an integer number (36331313274).

Almost surely, 2^242200205155 is an apocalyptic number.

242200205155 is a deficient number, since it is larger than the sum of its proper divisors (48450301037).

242200205155 is a wasteful number, since it uses less digits than its factorization.

242200205155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1710005.

The product of its (nonzero) digits is 8000, while the sum is 28.

Adding to 242200205155 its reverse (551502002242), we get a palindrome (793702207397).

The spelling of 242200205155 in words is "two hundred forty-two billion, two hundred million, two hundred five thousand, one hundred fifty-five".