13645544145 has 32 divisors (see below), whose sum is σ = 22956030720. Its totient is φ = 6911466240.

The previous prime is 13645544137. The next prime is 13645544177. The reversal of 13645544145 is 54144554631.

It is not a de Polignac number, because 13645544145 - 2³ = 13645544137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13645544097 and 13645544106.

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 in 31 ways as a sum of consecutive naturals, for example, 230589 + ... + 283658.

It is an arithmetic number, because the mean of its divisors is an integer number (717375960).

Almost surely, 2^13645544145 is an apocalyptic number.

13645544145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13645544145 is a deficient number, since it is larger than the sum of its proper divisors (9310486575).

13645544145 is a wasteful number, since it uses less digits than its factorization.

13645544145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514345.

The product of its digits is 576000, while the sum is 42.

The spelling of 13645544145 in words is "thirteen billion, six hundred forty-five million, five hundred forty-four thousand, one hundred forty-five".