242153862 has 8 divisors (see below), whose sum is σ = 484307736. Its totient is φ = 80717952.

The previous prime is 242153851. The next prime is 242153897. The reversal of 242153862 is 268351242.

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

242153862 is an admirable number.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 20179483 + ... + 20179494.

It is an arithmetic number, because the mean of its divisors is an integer number (60538467).

Almost surely, 2^242153862 is an apocalyptic number.

242153862 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242153862 is a wasteful number, since it uses less digits than its factorization.

242153862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40358982.

The product of its digits is 23040, while the sum is 33.

The square root of 242153862 is about 15561.2937122850. The cubic root of 242153862 is about 623.3000091488.

The spelling of 242153862 in words is "two hundred forty-two million, one hundred fifty-three thousand, eight hundred sixty-two".