242340553 has 16 divisors (see below), whose sum is σ = 303327360. Its totient is φ = 188487936.

The previous prime is 242340529. The next prime is 242340583. The reversal of 242340553 is 355043242.

It is not a de Polignac number, because 242340553 - 2⁵ = 242340521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242340583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17200 + ... + 27937.

It is an arithmetic number, because the mean of its divisors is an integer number (18957960).

Almost surely, 2^242340553 is an apocalyptic number.

It is an amenable number.

242340553 is a deficient number, since it is larger than the sum of its proper divisors (60986807).

242340553 is a wasteful number, since it uses less digits than its factorization.

242340553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45216.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 242340553 is about 15567.2911259474. The cubic root of 242340553 is about 623.4601478442.

Adding to 242340553 its reverse (355043242), we get a palindrome (597383795).

The spelling of 242340553 in words is "two hundred forty-two million, three hundred forty thousand, five hundred fifty-three".