242544469 has 2 divisors, whose sum is σ = 242544470. Its totient is φ = 242544468.

The previous prime is 242544413. The next prime is 242544529. The reversal of 242544469 is 964445242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 239166225 + 3378244 = 15465^2 + 1838^2 .

It is a cyclic number.

It is not a de Polignac number, because 242544469 - 2¹³ = 242536277 is a prime.

It is a super-2 number, since 2×242544469² = 117655638884983922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242544409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121272234 + 121272235.

It is an arithmetic number, because the mean of its divisors is an integer number (121272235).

Almost surely, 2^242544469 is an apocalyptic number.

It is an amenable number.

242544469 is a deficient number, since it is larger than the sum of its proper divisors (1).

242544469 is an equidigital number, since it uses as much as digits as its factorization.

242544469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 276480, while the sum is 40.

The square root of 242544469 is about 15573.8392504867. The cubic root of 242544469 is about 623.6349677496.

The spelling of 242544469 in words is "two hundred forty-two million, five hundred forty-four thousand, four hundred sixty-nine".