13540145245 has 16 divisors (see below), whose sum is σ = 18157608000. Its totient is φ = 9607196800.

The previous prime is 13540145231. The next prime is 13540145279. The reversal of 13540145245 is 54254104531.

13540145245 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 13540145245 - 2⁹ = 13540144733 is a prime.

It is a super-2 number, since 2×13540145245² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13540145245.

It is a congruent number.

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, 2999995 + ... + 3004504.

It is an arithmetic number, because the mean of its divisors is an integer number (1134850500).

Almost surely, 2^13540145245 is an apocalyptic number.

It is an amenable number.

13540145245 is a deficient number, since it is larger than the sum of its proper divisors (4617462755).

13540145245 is a wasteful number, since it uses less digits than its factorization.

13540145245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6004556.

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 13540145245 its reverse (54254104531), we get a palindrome (67794249776).

The spelling of 13540145245 in words is "thirteen billion, five hundred forty million, one hundred forty-five thousand, two hundred forty-five".