242643475 has 12 divisors (see below), whose sum is σ = 301130280. Its totient is φ = 193952000.

The previous prime is 242643419. The next prime is 242643503. The reversal of 242643475 is 574346242.

It is not a de Polignac number, because 242643475 - 2⁷ = 242643347 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32931 + ... + 39619.

It is an arithmetic number, because the mean of its divisors is an integer number (25094190).

Almost surely, 2^242643475 is an apocalyptic number.

242643475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

242643475 is a deficient number, since it is larger than the sum of its proper divisors (58486805).

242643475 is a wasteful number, since it uses less digits than its factorization.

242643475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8150 (or 8145 counting only the distinct ones).

The product of its digits is 161280, while the sum is 37.

The square root of 242643475 is about 15577.0175258295. The cubic root of 242643475 is about 623.7198115785.

The spelling of 242643475 in words is "two hundred forty-two million, six hundred forty-three thousand, four hundred seventy-five".