242550245 has 12 divisors (see below), whose sum is σ = 338580684. Its totient is φ = 166320000.

The previous prime is 242550227. The next prime is 242550263. The reversal of 242550245 is 542055242.

It is an interprime number because it is at equal distance from previous prime (242550227) and next prime (242550263).

It can be written as a sum of positive squares in 2 ways, for example, as 42016324 + 200533921 = 6482^2 + 14161^2 .

It is not a de Polignac number, because 242550245 - 2¹⁰ = 242549221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 494756 + ... + 495245.

It is an arithmetic number, because the mean of its divisors is an integer number (28215057).

Almost surely, 2^242550245 is an apocalyptic number.

It is an amenable number.

242550245 is a deficient number, since it is larger than the sum of its proper divisors (96030439).

242550245 is an equidigital number, since it uses as much as digits as its factorization.

242550245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990020 (or 990013 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 242550245 is about 15574.0246885640. The cubic root of 242550245 is about 623.6399181641.

The spelling of 242550245 in words is "two hundred forty-two million, five hundred fifty thousand, two hundred forty-five".