242161365 has 32 divisors (see below), whose sum is σ = 425594880. Its totient is φ = 117032256.

The previous prime is 242161363. The next prime is 242161391. The reversal of 242161365 is 563161242.

It is not a de Polignac number, because 242161365 - 2¹ = 242161363 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242161363) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 11917 + ... + 25026.

It is an arithmetic number, because the mean of its divisors is an integer number (13299840).

Almost surely, 2^242161365 is an apocalyptic number.

It is an amenable number.

242161365 is a deficient number, since it is larger than the sum of its proper divisors (183433515).

242161365 is a wasteful number, since it uses less digits than its factorization.

242161365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36993.

The product of its digits is 8640, while the sum is 30.

The square root of 242161365 is about 15561.5347893452. The cubic root of 242161365 is about 623.3064466147.

The spelling of 242161365 in words is "two hundred forty-two million, one hundred sixty-one thousand, three hundred sixty-five".