44445871 has 4 divisors (see below), whose sum is σ = 47060352. Its totient is φ = 41831392.

The previous prime is 44445859. The next prime is 44445889. The reversal of 44445871 is 17854444.

It is a happy number.

44445871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 44445871 - 2⁷ = 44445743 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44445871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44445571) 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 3 ways as a sum of consecutive naturals, for example, 1307215 + ... + 1307248.

It is an arithmetic number, because the mean of its divisors is an integer number (11765088).

Almost surely, 2^44445871 is an apocalyptic number.

44445871 is a deficient number, since it is larger than the sum of its proper divisors (2614481).

44445871 is a wasteful number, since it uses less digits than its factorization.

44445871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2614480.

The product of its digits is 71680, while the sum is 37.

The square root of 44445871 is about 6666.7736574748. The cubic root of 44445871 is about 354.2233128740.

The spelling of 44445871 in words is "forty-four million, four hundred forty-five thousand, eight hundred seventy-one".