242440165 has 16 divisors (see below), whose sum is σ = 317701440. Its totient is φ = 176139520.

The previous prime is 242440139. The next prime is 242440207. The reversal of 242440165 is 561044242.

It is not a de Polignac number, because 242440165 - 2²¹ = 240343013 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76941 + ... + 80029.

It is an arithmetic number, because the mean of its divisors is an integer number (19856340).

Almost surely, 2^242440165 is an apocalyptic number.

It is an amenable number.

242440165 is a deficient number, since it is larger than the sum of its proper divisors (75261275).

242440165 is a wasteful number, since it uses less digits than its factorization.

242440165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4532.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 242440165 is about 15570.4901978069. The cubic root of 242440165 is about 623.5455587867.

The spelling of 242440165 in words is "two hundred forty-two million, four hundred forty thousand, one hundred sixty-five".