242543055 has 8 divisors (see below), whose sum is σ = 388068912. Its totient is φ = 129356288.

The previous prime is 242543047. The next prime is 242543107. The reversal of 242543055 is 550345242.

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 242543055 - 2³ = 242543047 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8084754 + ... + 8084783.

It is an arithmetic number, because the mean of its divisors is an integer number (48508614).

Almost surely, 2^242543055 is an apocalyptic number.

242543055 is a deficient number, since it is larger than the sum of its proper divisors (145525857).

242543055 is a wasteful number, since it uses less digits than its factorization.

242543055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16169545.

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 242543055 is about 15573.7938537789. The cubic root of 242543055 is about 623.6337558459.

Adding to 242543055 its reverse (550345242), we get a palindrome (792888297).

The spelling of 242543055 in words is "two hundred forty-two million, five hundred forty-three thousand, fifty-five".