13415305645 has 32 divisors (see below), whose sum is σ = 19395772416. Its totient is φ = 8712878400.

The previous prime is 13415305639. The next prime is 13415305649. The reversal of 13415305645 is 54650351431.

It is not a de Polignac number, because 13415305645 - 2⁵ = 13415305613 is a prime.

It is a super-3 number, since 3×13415305645³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13415305649) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80541 + ... + 182530.

It is an arithmetic number, because the mean of its divisors is an integer number (606117888).

Almost surely, 2^13415305645 is an apocalyptic number.

It is an amenable number.

13415305645 is a deficient number, since it is larger than the sum of its proper divisors (5980466771).

13415305645 is a wasteful number, since it uses less digits than its factorization.

13415305645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263161.

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 13415305645 in words is "thirteen billion, four hundred fifteen million, three hundred five thousand, six hundred forty-five".