13453533145 has 24 divisors (see below), whose sum is σ = 17495303616. Its totient is φ = 9927148608.

The previous prime is 13453533133. The next prime is 13453533169. The reversal of 13453533145 is 54133535431.

It is not a de Polignac number, because 13453533145 - 2⁵ = 13453533113 is a prime.

It is a super-2 number, since 2×13453533145² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

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 23 ways as a sum of consecutive naturals, for example, 1217214 + ... + 1228216.

It is an arithmetic number, because the mean of its divisors is an integer number (728970984).

Almost surely, 2^13453533145 is an apocalyptic number.

It is an amenable number.

13453533145 is a deficient number, since it is larger than the sum of its proper divisors (4041770471).

13453533145 is a wasteful number, since it uses less digits than its factorization.

13453533145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12481 (or 12468 counting only the distinct ones).

The product of its digits is 162000, while the sum is 37.

The spelling of 13453533145 in words is "thirteen billion, four hundred fifty-three million, five hundred thirty-three thousand, one hundred forty-five".