242153012514533 has 4 divisors (see below), whose sum is σ = 242193499564908. Its totient is φ = 242112525464160.

The previous prime is 242153012514521. The next prime is 242153012514551. The reversal of 242153012514533 is 335415210351242.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16069972335169 + 226083040179364 = 4008737^2 + 15036058^2 .

It is a cyclic number.

It is not a de Polignac number, because 242153012514533 - 2²⁰ = 242153011465957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242153012574533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20243516216 + ... + 20243528177.

It is an arithmetic number, because the mean of its divisors is an integer number (60548374891227).

Almost surely, 2^{242153012514533} is an apocalyptic number.

It is an amenable number.

242153012514533 is a deficient number, since it is larger than the sum of its proper divisors (40487050375).

242153012514533 is an equidigital number, since it uses as much as digits as its factorization.

242153012514533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40487050374.

The product of its (nonzero) digits is 432000, while the sum is 41.

Adding to 242153012514533 its reverse (335415210351242), we get a palindrome (577568222865775).

The spelling of 242153012514533 in words is "two hundred forty-two trillion, one hundred fifty-three billion, twelve million, five hundred fourteen thousand, five hundred thirty-three".