242003173 has 8 divisors (see below), whose sum is σ = 252567000. Its totient is φ = 231587328.

The previous prime is 242003161. The next prime is 242003213. The reversal of 242003173 is 371300242.

It can be written as a sum of positive squares in 4 ways, for example, as 21836929 + 220166244 = 4673^2 + 14838^2 .

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 242003173 - 2¹³ = 241994981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242003123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33648 + ... + 40201.

It is an arithmetic number, because the mean of its divisors is an integer number (31570875).

Almost surely, 2^242003173 is an apocalyptic number.

It is an amenable number.

242003173 is a deficient number, since it is larger than the sum of its proper divisors (10563827).

242003173 is a wasteful number, since it uses less digits than its factorization.

242003173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73991.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 242003173 is about 15556.4511698523. The cubic root of 242003173 is about 623.1706919953.

The spelling of 242003173 in words is "two hundred forty-two million, three thousand, one hundred seventy-three".