242165303 has 4 divisors (see below), whose sum is σ = 246135288. Its totient is φ = 238195320.

The previous prime is 242165299. The next prime is 242165327. The reversal of 242165303 is 303561242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 242165303 - 2² = 242165299 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 (242165603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1984901 + ... + 1985022.

It is an arithmetic number, because the mean of its divisors is an integer number (61533822).

Almost surely, 2^242165303 is an apocalyptic number.

242165303 is a deficient number, since it is larger than the sum of its proper divisors (3969985).

242165303 is an equidigital number, since it uses as much as digits as its factorization.

242165303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3969984.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 242165303 is about 15561.6613187667. The cubic root of 242165303 is about 623.3098253087.

The spelling of 242165303 in words is "two hundred forty-two million, one hundred sixty-five thousand, three hundred three".