542045352542 has 4 divisors (see below), whose sum is σ = 813068028816. Its totient is φ = 271022676270.

The previous prime is 542045352493. The next prime is 542045352547. The reversal of 542045352542 is 245253540245.

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

It is a self number, because there is not a number n which added to its sum of digits gives 542045352542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542045352547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135511338134 + ... + 135511338137.

It is an arithmetic number, because the mean of its divisors is an integer number (203267007204).

Almost surely, 2^542045352542 is an apocalyptic number.

542045352542 is a deficient number, since it is larger than the sum of its proper divisors (271022676274).

542045352542 is a wasteful number, since it uses less digits than its factorization.

542045352542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271022676273.

The product of its (nonzero) digits is 960000, while the sum is 41.

Adding to 542045352542 its reverse (245253540245), we get a palindrome (787298892787).

The spelling of 542045352542 in words is "five hundred forty-two billion, forty-five million, three hundred fifty-two thousand, five hundred forty-two".