242646485 has 16 divisors (see below), whose sum is σ = 295611120. Its totient is φ = 191178240.

The previous prime is 242646449. The next prime is 242646533. The reversal of 242646485 is 584646242.

It can be written as a sum of positive squares in 8 ways, for example, as 26615281 + 216031204 = 5159^2 + 14698^2 .

It is not a de Polignac number, because 242646485 - 2⁶ = 242646421 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129455 + ... + 131315.

It is an arithmetic number, because the mean of its divisors is an integer number (18475695).

Almost surely, 2^242646485 is an apocalyptic number.

It is an amenable number.

242646485 is a deficient number, since it is larger than the sum of its proper divisors (52964635).

242646485 is a wasteful number, since it uses less digits than its factorization.

242646485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2248.

The product of its digits is 368640, while the sum is 41.

The square root of 242646485 is about 15577.1141422280. The cubic root of 242646485 is about 623.7223906559.

The spelling of 242646485 in words is "two hundred forty-two million, six hundred forty-six thousand, four hundred eighty-five".