242503143 has 16 divisors (see below), whose sum is σ = 338350176. Its totient is φ = 154327680.

The previous prime is 242503141. The next prime is 242503159. The reversal of 242503143 is 341305242.

It is not a de Polignac number, because 242503143 - 2¹ = 242503141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242503141) 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 15 ways as a sum of consecutive naturals, for example, 14728 + ... + 26493.

It is an arithmetic number, because the mean of its divisors is an integer number (21146886).

Almost surely, 2^242503143 is an apocalyptic number.

242503143 is a deficient number, since it is larger than the sum of its proper divisors (95847033).

242503143 is a wasteful number, since it uses less digits than its factorization.

242503143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41314.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 242503143 is about 15572.5124177186. The cubic root of 242503143 is about 623.5995463378.

Adding to 242503143 its reverse (341305242), we get a palindrome (583808385).

The spelling of 242503143 in words is "two hundred forty-two million, five hundred three thousand, one hundred forty-three".