13545152145 has 24 divisors (see below), whose sum is σ = 26832302016. Its totient is φ = 6192069408.

The previous prime is 13545152129. The next prime is 13545152147. The reversal of 13545152145 is 54125154531.

13545152145 is a `hidden beast` number, since 13 + 5 + 451 + 52 + 145 = 666.

It is not a de Polignac number, because 13545152145 - 2⁴ = 13545152129 is a prime.

It is a super-2 number, since 2×13545152145² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13545152147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21499927 + ... + 21500556.

It is an arithmetic number, because the mean of its divisors is an integer number (1118012584).

Almost surely, 2^13545152145 is an apocalyptic number.

13545152145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13545152145 is a deficient number, since it is larger than the sum of its proper divisors (13287149871).

13545152145 is a wasteful number, since it uses less digits than its factorization.

13545152145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43000501 (or 43000498 counting only the distinct ones).

The product of its digits is 60000, while the sum is 36.

The spelling of 13545152145 in words is "thirteen billion, five hundred forty-five million, one hundred fifty-two thousand, one hundred forty-five".