244531444145 has 8 divisors (see below), whose sum is σ = 293488809000. Its totient is φ = 195591104640.

The previous prime is 244531444141. The next prime is 244531444147. The reversal of 244531444145 is 541444135442.

It can be written as a sum of positive squares in 4 ways, for example, as 12531235249 + 232000208896 = 111943^2 + 481664^2 .

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

It is not a de Polignac number, because 244531444145 - 2² = 244531444141 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (244531444141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4224716 + ... + 4282205.

It is an arithmetic number, because the mean of its divisors is an integer number (36686101125).

Almost surely, 2^244531444145 is an apocalyptic number.

It is an amenable number.

244531444145 is a deficient number, since it is larger than the sum of its proper divisors (48957364855).

244531444145 is an equidigital number, since it uses as much as digits as its factorization.

244531444145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8512675.

The product of its digits is 614400, while the sum is 41.

Adding to 244531444145 its reverse (541444135442), we get a palindrome (785975579587).

The spelling of 244531444145 in words is "two hundred forty-four billion, five hundred thirty-one million, four hundred forty-four thousand, one hundred forty-five".