242133543 has 20 divisors (see below), whose sum is σ = 362192688. Its totient is φ = 161205120.

The previous prime is 242133527. The next prime is 242133547. The reversal of 242133543 is 345331242.

It is not a de Polignac number, because 242133543 - 2⁴ = 242133527 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242133547) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 78103 + ... + 81143.

Almost surely, 2^242133543 is an apocalyptic number.

242133543 is a deficient number, since it is larger than the sum of its proper divisors (120059145).

242133543 is an equidigital number, since it uses as much as digits as its factorization.

242133543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4036 (or 4027 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 242133543 is about 15560.6408287063. The cubic root of 242133543 is about 623.2825750719.

Adding to 242133543 its reverse (345331242), we get a palindrome (587464785).

The spelling of 242133543 in words is "two hundred forty-two million, one hundred thirty-three thousand, five hundred forty-three".