242161355 has 8 divisors (see below), whose sum is σ = 290677200. Its totient is φ = 193673376.

The previous prime is 242161291. The next prime is 242161363. The reversal of 242161355 is 553161242.

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 242161355 - 2⁶ = 242161291 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29936 + ... + 37154.

It is an arithmetic number, because the mean of its divisors is an integer number (36334650).

Almost surely, 2^242161355 is an apocalyptic number.

242161355 is a deficient number, since it is larger than the sum of its proper divisors (48515845).

242161355 is an equidigital number, since it uses as much as digits as its factorization.

242161355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13933.

The product of its digits is 7200, while the sum is 29.

The square root of 242161355 is about 15561.5344680401. The cubic root of 242161355 is about 623.3064380349.

The spelling of 242161355 in words is "two hundred forty-two million, one hundred sixty-one thousand, three hundred fifty-five".