242546555 has 16 divisors (see below), whose sum is σ = 298387584. Its totient is φ = 189181440.

The previous prime is 242546489. The next prime is 242546561. The reversal of 242546555 is 555645242.

It is a happy number.

It is not a de Polignac number, because 242546555 - 2⁸ = 242546299 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64199 + ... + 67871.

It is an arithmetic number, because the mean of its divisors is an integer number (18649224).

Almost surely, 2^242546555 is an apocalyptic number.

242546555 is a deficient number, since it is larger than the sum of its proper divisors (55841029).

242546555 is a wasteful number, since it uses less digits than its factorization.

242546555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4006.

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

The square root of 242546555 is about 15573.9062216260. The cubic root of 242546555 is about 623.6367555988.

The spelling of 242546555 in words is "two hundred forty-two million, five hundred forty-six thousand, five hundred fifty-five".