44041440145 has 8 divisors (see below), whose sum is σ = 52851121704. Its totient is φ = 35232223104.

The previous prime is 44041440103. The next prime is 44041440151. The reversal of 44041440145 is 54104414044.

It can be written as a sum of positive squares in 4 ways, for example, as 206899456 + 43834540689 = 14384^2 + 209367^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 44041440145 - 2¹³ = 44041431953 is a prime.

It is a super-3 number, since 3×44041440145³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146427 + ... + 330943.

It is an arithmetic number, because the mean of its divisors is an integer number (6606390213).

Almost surely, 2^44041440145 is an apocalyptic number.

It is an amenable number.

44041440145 is a deficient number, since it is larger than the sum of its proper divisors (8809681559).

44041440145 is a wasteful number, since it uses less digits than its factorization.

44041440145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232259.

The product of its (nonzero) digits is 20480, while the sum is 31.

Adding to 44041440145 its reverse (54104414044), we get a palindrome (98145854189).

The spelling of 44041440145 in words is "forty-four billion, forty-one million, four hundred forty thousand, one hundred forty-five".