542182363281245 has 4 divisors (see below), whose sum is σ = 650618835937500. Its totient is φ = 433745890624992.

The previous prime is 542182363281193. The next prime is 542182363281259.

542182363281245 is nontrivially palindromic in base 10.

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 386841985553401 + 155340377727844 = 19668299^2 + 12463562^2 .

It is a cyclic number.

It is not a de Polignac number, because 542182363281245 - 2¹⁶ = 542182363215709 is a prime.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 54218236328120 + ... + 54218236328129.

It is an arithmetic number, because the mean of its divisors is an integer number (162654708984375).

Almost surely, 2^{542182363281245} is an apocalyptic number.

It is an amenable number.

542182363281245 is a deficient number, since it is larger than the sum of its proper divisors (108436472656255).

542182363281245 is a wasteful number, since it uses less digits than its factorization.

542182363281245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108436472656254.

The product of its digits is 22118400, while the sum is 56.

The spelling of 542182363281245 in words is "five hundred forty-two trillion, one hundred eighty-two billion, three hundred sixty-three million, two hundred eighty-one thousand, two hundred forty-five".