242142340253 has 8 divisors (see below), whose sum is σ = 269139342816. Its totient is φ = 215976014800.

The previous prime is 242142340247. The next prime is 242142340261. The reversal of 242142340253 is 352043241242.

242142340253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 242142340253 - 2¹⁸ = 242142078109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242142343253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207668663 + ... + 207669828.

It is an arithmetic number, because the mean of its divisors is an integer number (33642417852).

Almost surely, 2^242142340253 is an apocalyptic number.

It is an amenable number.

242142340253 is a deficient number, since it is larger than the sum of its proper divisors (26997002563).

242142340253 is a wasteful number, since it uses less digits than its factorization.

242142340253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415338555.

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 242142340253 its reverse (352043241242), we get a palindrome (594185581495).

The spelling of 242142340253 in words is "two hundred forty-two billion, one hundred forty-two million, three hundred forty thousand, two hundred fifty-three".