242281554 has 24 divisors (see below), whose sum is σ = 500710320. Its totient is φ = 78153480.

The previous prime is 242281549. The next prime is 242281579. The reversal of 242281554 is 455182242.

242281554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 15244 + ... + 26775.

It is an arithmetic number, because the mean of its divisors is an integer number (20862930).

Almost surely, 2^242281554 is an apocalyptic number.

242281554 is an abundant number, since it is smaller than the sum of its proper divisors (258428766).

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

242281554 is a wasteful number, since it uses less digits than its factorization.

242281554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42086 (or 42055 counting only the distinct ones).

The product of its digits is 25600, while the sum is 33.

The square root of 242281554 is about 15565.3960437889. The cubic root of 242281554 is about 623.4095489243.

The spelling of 242281554 in words is "two hundred forty-two million, two hundred eighty-one thousand, five hundred fifty-four".