242663105 has 8 divisors (see below), whose sum is σ = 294079464. Its totient is φ = 192208000.

The previous prime is 242663089. The next prime is 242663111. The reversal of 242663105 is 501366242.

It can be written as a sum of positive squares in 4 ways, for example, as 17783089 + 224880016 = 4217^2 + 14996^2 .

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

It is not a de Polignac number, because 242663105 - 2⁴ = 242663089 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 239756 + ... + 240765.

It is an arithmetic number, because the mean of its divisors is an integer number (36759933).

Almost surely, 2^242663105 is an apocalyptic number.

It is an amenable number.

242663105 is a deficient number, since it is larger than the sum of its proper divisors (51416359).

242663105 is a wasteful number, since it uses less digits than its factorization.

242663105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480627.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 242663105 is about 15577.6476080312. The cubic root of 242663105 is about 623.7366308916.

The spelling of 242663105 in words is "two hundred forty-two million, six hundred sixty-three thousand, one hundred five".