10144502161 has 4 divisors (see below), whose sum is σ = 10144712932. Its totient is φ = 10144291392.

The previous prime is 10144502149. The next prime is 10144502171. The reversal of 10144502161 is 16120544101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3812321536 + 6332180625 = 61744^2 + 79575^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10144502161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10144502141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6181 + ... + 142573.

It is an arithmetic number, because the mean of its divisors is an integer number (2536178233).

Almost surely, 2^10144502161 is an apocalyptic number.

It is an amenable number.

10144502161 is a deficient number, since it is larger than the sum of its proper divisors (210771).

10144502161 is an equidigital number, since it uses as much as digits as its factorization.

10144502161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210770.

The product of its (nonzero) digits is 960, while the sum is 25.

The spelling of 10144502161 in words is "ten billion, one hundred forty-four million, five hundred two thousand, one hundred sixty-one".