13005445345 has 16 divisors (see below), whose sum is σ = 16225896960. Its totient is φ = 9996278400.

The previous prime is 13005445319. The next prime is 13005445361. The reversal of 13005445345 is 54354450031.

13005445345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13005445345 - 2²⁷ = 12871227617 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13005445345.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280276 + ... + 323365.

It is an arithmetic number, because the mean of its divisors is an integer number (1014118560).

Almost surely, 2^13005445345 is an apocalyptic number.

It is an amenable number.

13005445345 is a deficient number, since it is larger than the sum of its proper divisors (3220451615).

13005445345 is a wasteful number, since it uses less digits than its factorization.

13005445345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603816.

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

Adding to 13005445345 its reverse (54354450031), we get a palindrome (67359895376).

The spelling of 13005445345 in words is "thirteen billion, five million, four hundred forty-five thousand, three hundred forty-five".