242544255 has 16 divisors (see below), whose sum is σ = 401453280. Its totient is φ = 124896128.

The previous prime is 242544251. The next prime is 242544257. The reversal of 242544255 is 552445242.

It is a cyclic number.

It is not a de Polignac number, because 242544255 - 2² = 242544251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242544251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278352 + ... + 279221.

It is an arithmetic number, because the mean of its divisors is an integer number (25090830).

Almost surely, 2^242544255 is an apocalyptic number.

242544255 is a deficient number, since it is larger than the sum of its proper divisors (158909025).

242544255 is a wasteful number, since it uses less digits than its factorization.

242544255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557610.

The product of its digits is 64000, while the sum is 33.

The square root of 242544255 is about 15573.8323799892. The cubic root of 242544255 is about 623.6347843359.

Adding to 242544255 its reverse (552445242), we get a palindrome (794989497).

The spelling of 242544255 in words is "two hundred forty-two million, five hundred forty-four thousand, two hundred fifty-five".