242506443 has 12 divisors (see below), whose sum is σ = 341257128. Its totient is φ = 153161280.

The previous prime is 242506441. The next prime is 242506447. The reversal of 242506443 is 344605242.

It is not a de Polignac number, because 242506443 - 2¹ = 242506441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242506443.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242506441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110878 + ... + 113043.

It is an arithmetic number, because the mean of its divisors is an integer number (28438094).

Almost surely, 2^242506443 is an apocalyptic number.

242506443 is a deficient number, since it is larger than the sum of its proper divisors (98750685).

242506443 is a wasteful number, since it uses less digits than its factorization.

242506443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223962 (or 223943 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 242506443 is about 15572.6183732858. The cubic root of 242506443 is about 623.6023749872.

The spelling of 242506443 in words is "two hundred forty-two million, five hundred six thousand, four hundred forty-three".