1044744161 has 2 divisors, whose sum is σ = 1044744162. Its totient is φ = 1044744160.

The previous prime is 1044744149. The next prime is 1044744179. The reversal of 1044744161 is 1614474401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1008443536 + 36300625 = 31756^2 + 6025^2 .

It is an emirp because it is prime and its reverse (1614474401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1044744161 - 2²² = 1040549857 is a prime.

It is not a weakly prime, because it can be changed into another prime (1044744121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522372080 + 522372081.

It is an arithmetic number, because the mean of its divisors is an integer number (522372081).

Almost surely, 2^1044744161 is an apocalyptic number.

It is an amenable number.

1044744161 is a deficient number, since it is larger than the sum of its proper divisors (1).

1044744161 is an equidigital number, since it uses as much as digits as its factorization.

1044744161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 1044744161 is about 32322.5023938432. The cubic root of 1044744161 is about 1014.6976413409.

The spelling of 1044744161 in words is "one billion, forty-four million, seven hundred forty-four thousand, one hundred sixty-one".