44681345 has 8 divisors (see below), whose sum is σ = 53710440. Its totient is φ = 35683200.

The previous prime is 44681303. The next prime is 44681393. The reversal of 44681345 is 54318644.

It can be written as a sum of positive squares in 4 ways, for example, as 5793649 + 38887696 = 2407^2 + 6236^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-44681345 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4430 + ... + 10439.

It is an arithmetic number, because the mean of its divisors is an integer number (6713805).

Almost surely, 2^44681345 is an apocalyptic number.

It is an amenable number.

44681345 is a deficient number, since it is larger than the sum of its proper divisors (9029095).

44681345 is a wasteful number, since it uses less digits than its factorization.

44681345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15475.

The product of its digits is 46080, while the sum is 35.

The square root of 44681345 is about 6684.4105948094. The cubic root of 44681345 is about 354.8477691542.

Adding to 44681345 its reverse (54318644), we get a palindrome (98999989).

The spelling of 44681345 in words is "forty-four million, six hundred eighty-one thousand, three hundred forty-five".