44454521 has 8 divisors (see below), whose sum is σ = 45128160. Its totient is φ = 43784928.

The previous prime is 44454503. The next prime is 44454523. The reversal of 44454521 is 12545444.

44454521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44454521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44454523) by changing a digit.

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, 26510 + ... + 28136.

It is an arithmetic number, because the mean of its divisors is an integer number (5641020).

Almost surely, 2^44454521 is an apocalyptic number.

It is an amenable number.

44454521 is a deficient number, since it is larger than the sum of its proper divisors (673639).

44454521 is a wasteful number, since it uses less digits than its factorization.

44454521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2023.

The product of its digits is 12800, while the sum is 29.

The square root of 44454521 is about 6667.4223655023. The cubic root of 44454521 is about 354.2462908833.

Adding to 44454521 its reverse (12545444), we get a palindrome (56999965).

The spelling of 44454521 in words is "forty-four million, four hundred fifty-four thousand, five hundred twenty-one".