242545655 has 8 divisors (see below), whose sum is σ = 317514384. Its totient is φ = 176396800.

The previous prime is 242545651. The next prime is 242545669. The reversal of 242545655 is 556545242.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 242545655 - 2² = 242545651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242545651) 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, 2204906 + ... + 2205015.

It is an arithmetic number, because the mean of its divisors is an integer number (39689298).

Almost surely, 2^242545655 is an apocalyptic number.

242545655 is a deficient number, since it is larger than the sum of its proper divisors (74968729).

242545655 is a wasteful number, since it uses less digits than its factorization.

242545655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4409937.

The product of its digits is 240000, while the sum is 38.

The square root of 242545655 is about 15573.8773271141. The cubic root of 242545655 is about 623.6359842365.

The spelling of 242545655 in words is "two hundred forty-two million, five hundred forty-five thousand, six hundred fifty-five".