242268165 has 20 divisors (see below), whose sum is σ = 434288844. Its totient is φ = 129209472.

The previous prime is 242268163. The next prime is 242268167. The reversal of 242268165 is 561862242.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (242268163) and next prime (242268167).

It can be written as a sum of positive squares in 2 ways, for example, as 181521729 + 60746436 = 13473^2 + 7794^2 .

It is not a de Polignac number, because 242268165 - 2¹ = 242268163 is a prime.

It is a zygodrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242268161) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 298692 + ... + 299501.

Almost surely, 2^242268165 is an apocalyptic number.

It is an amenable number.

242268165 is a deficient number, since it is larger than the sum of its proper divisors (192020679).

242268165 is an equidigital number, since it uses as much as digits as its factorization.

242268165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598210 (or 598201 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 242268165 is about 15564.9659492079. The cubic root of 242268165 is about 623.3980650617.

The spelling of 242268165 in words is "two hundred forty-two million, two hundred sixty-eight thousand, one hundred sixty-five".