242522445 has 16 divisors (see below), whose sum is σ = 423312192. Its totient is φ = 117586560.

The previous prime is 242522437. The next prime is 242522471. The reversal of 242522445 is 544225242.

It is not a de Polignac number, because 242522445 - 2³ = 242522437 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, 734752 + ... + 735081.

It is an arithmetic number, because the mean of its divisors is an integer number (26457012).

Almost surely, 2^242522445 is an apocalyptic number.

It is an amenable number.

242522445 is a deficient number, since it is larger than the sum of its proper divisors (180789747).

242522445 is a wasteful number, since it uses less digits than its factorization.

242522445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1469852.

The product of its digits is 25600, while the sum is 30.

The square root of 242522445 is about 15573.1321512405. The cubic root of 242522445 is about 623.6160910018.

Adding to 242522445 its reverse (544225242), we get a palindrome (786747687).

The spelling of 242522445 in words is "two hundred forty-two million, five hundred twenty-two thousand, four hundred forty-five".