44909345 has 16 divisors (see below), whose sum is σ = 58438800. Its totient is φ = 32934144.

The previous prime is 44909341. The next prime is 44909377. The reversal of 44909345 is 54390944.

44909345 = 799² + 800² + ... + 863².

It can be written as a sum of positive squares in 8 ways, for example, as 14922769 + 29986576 = 3863^2 + 5476^2 .

It is a cyclic number.

It is not a de Polignac number, because 44909345 - 2² = 44909341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44909299 and 44909308.

It is not an unprimeable number, because it can be changed into a prime (44909341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7367 + ... + 12003.

It is an arithmetic number, because the mean of its divisors is an integer number (3652425).

Almost surely, 2^44909345 is an apocalyptic number.

It is an amenable number.

44909345 is a deficient number, since it is larger than the sum of its proper divisors (13529455).

44909345 is a wasteful number, since it uses less digits than its factorization.

44909345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4804.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 44909345 is about 6701.4435012167. The cubic root of 44909345 is about 355.4503179035.

It can be divided in two parts, 44909 and 345, that added together give a palindrome (45254).

The spelling of 44909345 in words is "forty-four million, nine hundred nine thousand, three hundred forty-five".