242489345 has 32 divisors (see below), whose sum is σ = 348807168. Its totient is φ = 158228928.

The previous prime is 242489339. The next prime is 242489369. The reversal of 242489345 is 543984242.

It is a cyclic number.

It is not a de Polignac number, because 242489345 - 2¹⁰ = 242488321 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 182072 + ... + 183398.

It is an arithmetic number, because the mean of its divisors is an integer number (10900224).

Almost surely, 2^242489345 is an apocalyptic number.

It is an amenable number.

242489345 is a deficient number, since it is larger than the sum of its proper divisors (106317823).

242489345 is a wasteful number, since it uses less digits than its factorization.

242489345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1589.

The product of its digits is 276480, while the sum is 41.

The square root of 242489345 is about 15572.0693872073. The cubic root of 242489345 is about 623.5877188763.

The spelling of 242489345 in words is "two hundred forty-two million, four hundred eighty-nine thousand, three hundred forty-five".