242242144 has 12 divisors (see below), whose sum is σ = 476914284. Its totient is φ = 121121056.

The previous prime is 242242139. The next prime is 242242151. The reversal of 242242144 is 441242242.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3785002 + ... + 3785065.

It is an arithmetic number, because the mean of its divisors is an integer number (39742857).

Almost surely, 2^242242144 is an apocalyptic number.

It is an amenable number.

242242144 is a deficient number, since it is larger than the sum of its proper divisors (234672140).

242242144 is an equidigital number, since it uses as much as digits as its factorization.

242242144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7570077 (or 7570069 counting only the distinct ones).

The product of its digits is 4096, while the sum is 25.

The square root of 242242144 is about 15564.1300431473. The cubic root of 242242144 is about 623.3757454119.

Adding to 242242144 its reverse (441242242), we get a palindrome (683484386).

The spelling of 242242144 in words is "two hundred forty-two million, two hundred forty-two thousand, one hundred forty-four".