13644630145 has 8 divisors (see below), whose sum is σ = 16374299904. Its totient is φ = 10915208304.

The previous prime is 13644630143. The next prime is 13644630161. The reversal of 13644630145 is 54103644631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13644630145 - 2¹ = 13644630143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13644630143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95472 + ... + 190798.

It is an arithmetic number, because the mean of its divisors is an integer number (2046787488).

Almost surely, 2^13644630145 is an apocalyptic number.

It is an amenable number.

13644630145 is a deficient number, since it is larger than the sum of its proper divisors (2729669759).

13644630145 is an equidigital number, since it uses as much as digits as its factorization.

13644630145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123959.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 13644630145 in words is "thirteen billion, six hundred forty-four million, six hundred thirty thousand, one hundred forty-five".