2444144161 has 4 divisors (see below), whose sum is σ = 2444463252. Its totient is φ = 2443825072.

The previous prime is 2444144141. The next prime is 2444144167. The reversal of 2444144161 is 1614414442.

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 240405025 + 2203739136 = 15505^2 + 46944^2 .

It is a cyclic number.

It is not a de Polignac number, because 2444144161 - 2²⁷ = 2309926433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2444144167) 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, 147766 + ... + 163471.

It is an arithmetic number, because the mean of its divisors is an integer number (611115813).

Almost surely, 2^2444144161 is an apocalyptic number.

It is an amenable number.

2444144161 is a deficient number, since it is larger than the sum of its proper divisors (319091).

2444144161 is an equidigital number, since it uses as much as digits as its factorization.

2444144161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319090.

The product of its digits is 12288, while the sum is 31.

The square root of 2444144161 is about 49438.2863881830. The cubic root of 2444144161 is about 1347.0248447301.

The spelling of 2444144161 in words is "two billion, four hundred forty-four million, one hundred forty-four thousand, one hundred sixty-one".