542545606545245 has 8 divisors (see below), whose sum is σ = 652930966265184. Its totient is φ = 432785659628944.

The previous prime is 542545606545209. The next prime is 542545606545247.

542545606545245 is nontrivially palindromic in base 10.

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 542545606545245 - 2¹⁸ = 542545606283101 is a prime.

It is a super-2 number, since 2×542545606545245² (a number of 30 digits) contains 22 as substring.

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 (542545606545247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156353198999 + ... + 156353202468.

It is an arithmetic number, because the mean of its divisors is an integer number (81616370783148).

Almost surely, 2^{542545606545245} is an apocalyptic number.

It is an amenable number.

542545606545245 is a deficient number, since it is larger than the sum of its proper divisors (110385359719939).

542545606545245 is a wasteful number, since it uses less digits than its factorization.

542545606545245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312706401819.

The product of its (nonzero) digits is 576000000, while the sum is 62.

Subtracting from 542545606545245 its product of nonzero digits (576000000), we obtain a palindrome (542545030545245).

The spelling of 542545606545245 in words is "five hundred forty-two trillion, five hundred forty-five billion, six hundred six million, five hundred forty-five thousand, two hundred forty-five".