542225532445 has 4 divisors (see below), whose sum is σ = 650670638940. Its totient is φ = 433780425952.

The previous prime is 542225532439. The next prime is 542225532449. The reversal of 542225532445 is 544235522245.

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 169963254756 + 372262277689 = 412266^2 + 610133^2 .

It is a cyclic number.

It is not a de Polignac number, because 542225532445 - 2⁵ = 542225532413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542225532449) 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, 54222553240 + ... + 54222553249.

It is an arithmetic number, because the mean of its divisors is an integer number (162667659735).

Almost surely, 2^542225532445 is an apocalyptic number.

It is an amenable number.

542225532445 is a deficient number, since it is larger than the sum of its proper divisors (108445106495).

542225532445 is a wasteful number, since it uses less digits than its factorization.

542225532445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108445106494.

The product of its digits is 1920000, while the sum is 43.

The spelling of 542225532445 in words is "five hundred forty-two billion, two hundred twenty-five million, five hundred thirty-two thousand, four hundred forty-five".