5142052351442 has 16 divisors (see below), whose sum is σ = 7771185564120. Its totient is φ = 2551720983168.

The previous prime is 5142052351439. The next prime is 5142052351493. The reversal of 5142052351442 is 2441532502415.

It can be written as a sum of positive squares in 4 ways, for example, as 5132857267561 + 9195083881 = 2265581^2 + 95891^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5142052351396 and 5142052351405.

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, 15793493 + ... + 16115784.

Almost surely, 2^{5142052351442} is an apocalyptic number.

5142052351442 is a deficient number, since it is larger than the sum of its proper divisors (2629133212678).

5142052351442 is a wasteful number, since it uses less digits than its factorization.

5142052351442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31909885.

The product of its (nonzero) digits is 192000, while the sum is 38.

Adding to 5142052351442 its reverse (2441532502415), we get a palindrome (7583584853857).

The spelling of 5142052351442 in words is "five trillion, one hundred forty-two billion, fifty-two million, three hundred fifty-one thousand, four hundred forty-two".