242538743 has 8 divisors (see below), whose sum is σ = 255505200. Its totient is φ = 229592448.

The previous prime is 242538731. The next prime is 242538757. The reversal of 242538743 is 347835242.

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 242538743 - 2⁶ = 242538679 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242538697 and 242538706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242538143) 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, 24005 + ... + 32577.

It is an arithmetic number, because the mean of its divisors is an integer number (31938150).

Almost surely, 2^242538743 is an apocalyptic number.

242538743 is a deficient number, since it is larger than the sum of its proper divisors (12966457).

242538743 is a wasteful number, since it uses less digits than its factorization.

242538743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10081.

The product of its digits is 161280, while the sum is 38.

The square root of 242538743 is about 15573.6554154765. The cubic root of 242538743 is about 623.6300601108.

The spelling of 242538743 in words is "two hundred forty-two million, five hundred thirty-eight thousand, seven hundred forty-three".