44145332117 has 2 divisors, whose sum is σ = 44145332118. Its totient is φ = 44145332116.

The previous prime is 44145332069. The next prime is 44145332173. The reversal of 44145332117 is 71123354144.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35178378481 + 8966953636 = 187559^2 + 94694^2 .

It is a cyclic number.

It is not a de Polignac number, because 44145332117 - 2¹⁸ = 44145069973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44145332617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22072666058 + 22072666059.

It is an arithmetic number, because the mean of its divisors is an integer number (22072666059).

Almost surely, 2^44145332117 is an apocalyptic number.

It is an amenable number.

44145332117 is a deficient number, since it is larger than the sum of its proper divisors (1).

44145332117 is an equidigital number, since it uses as much as digits as its factorization.

44145332117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 35.

The spelling of 44145332117 in words is "forty-four billion, one hundred forty-five million, three hundred thirty-two thousand, one hundred seventeen".