242204945 has 8 divisors (see below), whose sum is σ = 290904936. Its totient is φ = 193591296.

The previous prime is 242204909. The next prime is 242204981. The reversal of 242204945 is 549402242.

242204945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (242204909) and next prime (242204981).

It can be written as a sum of positive squares in 4 ways, for example, as 78978769 + 163226176 = 8887^2 + 12776^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 242204945 - 2¹⁰ = 242203921 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15242 + ... + 26771.

It is an arithmetic number, because the mean of its divisors is an integer number (36363117).

Almost surely, 2^242204945 is an apocalyptic number.

It is an amenable number.

242204945 is a deficient number, since it is larger than the sum of its proper divisors (48699991).

242204945 is a wasteful number, since it uses less digits than its factorization.

242204945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43171.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 242204945 is about 15562.9349738409. The cubic root of 242204945 is about 623.3438349977.

The spelling of 242204945 in words is "two hundred forty-two million, two hundred four thousand, nine hundred forty-five".