44451685 has 8 divisors (see below), whose sum is σ = 56479896. Its totient is φ = 33469440.

The previous prime is 44451661. The next prime is 44451691. The reversal of 44451685 is 58615444.

44451685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 799236 + 43652449 = 894^2 + 6607^2 .

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

It is not a de Polignac number, because 44451685 - 2⁷ = 44451557 is a prime.

It is a Duffinian number.

It is a congruent 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, 261396 + ... + 261565.

It is an arithmetic number, because the mean of its divisors is an integer number (7059987).

Almost surely, 2^44451685 is an apocalyptic number.

It is an amenable number.

44451685 is a deficient number, since it is larger than the sum of its proper divisors (12028211).

44451685 is a wasteful number, since it uses less digits than its factorization.

44451685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522983.

The product of its digits is 76800, while the sum is 37.

The square root of 44451685 is about 6667.2096862181. The cubic root of 44451685 is about 354.2387576124.

The spelling of 44451685 in words is "forty-four million, four hundred fifty-one thousand, six hundred eighty-five".