242251144 has 32 divisors (see below), whose sum is σ = 458922240. Its totient is φ = 119880000.

The previous prime is 242251129. The next prime is 242251151. The reversal of 242251144 is 441152242.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 447514 + ... + 448054.

It is an arithmetic number, because the mean of its divisors is an integer number (14341320).

Almost surely, 2^242251144 is an apocalyptic number.

It is an amenable number.

242251144 is a deficient number, since it is larger than the sum of its proper divisors (216671096).

242251144 is a wasteful number, since it uses less digits than its factorization.

242251144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021 (or 1017 counting only the distinct ones).

The product of its digits is 2560, while the sum is 25.

The square root of 242251144 is about 15564.4191668048. The cubic root of 242251144 is about 623.3834653901.

The spelling of 242251144 in words is "two hundred forty-two million, two hundred fifty-one thousand, one hundred forty-four".