242451105 has 32 divisors (see below), whose sum is σ = 421497216. Its totient is φ = 118293504.

The previous prime is 242451103. The next prime is 242451109. The reversal of 242451105 is 501154242.

It is not a de Polignac number, because 242451105 - 2¹ = 242451103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242451103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16534 + ... + 27536.

It is an arithmetic number, because the mean of its divisors is an integer number (13171788).

Almost surely, 2^242451105 is an apocalyptic number.

It is an amenable number.

242451105 is a deficient number, since it is larger than the sum of its proper divisors (179046111).

242451105 is a wasteful number, since it uses less digits than its factorization.

242451105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11137.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 242451105 is about 15570.8414994181. The cubic root of 242451105 is about 623.5549377137.

It can be divided in two parts, 242451 and 105, that added together give a triangular number (242556 = T₆₉₆).

The spelling of 242451105 in words is "two hundred forty-two million, four hundred fifty-one thousand, one hundred five".