13645144051 has 16 divisors (see below), whose sum is σ = 17076837888. Its totient is φ = 10592136000.

The previous prime is 13645143989. The next prime is 13645144057. The reversal of 13645144051 is 15044154631.

It is a cyclic number.

It is not a de Polignac number, because 13645144051 - 2¹⁹ = 13644619763 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13645143998 and 13645144016.

It is not an unprimeable number, because it can be changed into a prime (13645144057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316650 + ... + 357151.

It is an arithmetic number, because the mean of its divisors is an integer number (1067302368).

Almost surely, 2^13645144051 is an apocalyptic number.

13645144051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13645144051 is a deficient number, since it is larger than the sum of its proper divisors (3431693837).

13645144051 is a wasteful number, since it uses less digits than its factorization.

13645144051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674082.

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 13645144051 its reverse (15044154631), we get a palindrome (28689298682).

It can be divided in two parts, 1364 and 5144051, that added together give a palindrome (5145415).

The spelling of 13645144051 in words is "thirteen billion, six hundred forty-five million, one hundred forty-four thousand, fifty-one".