542044542145 has 8 divisors (see below), whose sum is σ = 656893584360. Its totient is φ = 429342211200.

The previous prime is 542044542133. The next prime is 542044542163. The reversal of 542044542145 is 541245440245.

It can be written as a sum of positive squares in 4 ways, for example, as 54181407361 + 487863134784 = 232769^2 + 698472^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 542044542145 - 2¹⁹ = 542044017857 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 542044542098 and 542044542107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 536677260 + ... + 536678269.

It is an arithmetic number, because the mean of its divisors is an integer number (82111698045).

Almost surely, 2^542044542145 is an apocalyptic number.

It is an amenable number.

542044542145 is a deficient number, since it is larger than the sum of its proper divisors (114849042215).

542044542145 is a wasteful number, since it uses less digits than its factorization.

542044542145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073355635.

The product of its (nonzero) digits is 512000, while the sum is 40.

The spelling of 542044542145 in words is "five hundred forty-two billion, forty-four million, five hundred forty-two thousand, one hundred forty-five".