13545035242 has 4 divisors (see below), whose sum is σ = 20317552866. Its totient is φ = 6772517620.

The previous prime is 13545035227. The next prime is 13545035281. The reversal of 13545035242 is 24253054531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24253054531 = 1543 ⋅15718117.

It can be written as a sum of positive squares in only one way, i.e., 7837383841 + 5707651401 = 88529^2 + 75549^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13545035198 and 13545035207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3386258809 + ... + 3386258812.

Almost surely, 2^13545035242 is an apocalyptic number.

13545035242 is a deficient number, since it is larger than the sum of its proper divisors (6772517624).

13545035242 is an equidigital number, since it uses as much as digits as its factorization.

13545035242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6772517623.

The product of its (nonzero) digits is 72000, while the sum is 34.

Adding to 13545035242 its reverse (24253054531), we get a palindrome (37798089773).

The spelling of 13545035242 in words is "thirteen billion, five hundred forty-five million, thirty-five thousand, two hundred forty-two".