44245649 has 8 divisors (see below), whose sum is σ = 52197888. Its totient is φ = 36701280.

The previous prime is 44245639. The next prime is 44245681. The reversal of 44245649 is 94654244.

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

It is not a de Polignac number, because 44245649 - 2¹⁶ = 44180113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44245639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101732 + ... + 102165.

It is an arithmetic number, because the mean of its divisors is an integer number (6524736).

Almost surely, 2^44245649 is an apocalyptic number.

It is an amenable number.

44245649 is a deficient number, since it is larger than the sum of its proper divisors (7952239).

44245649 is a wasteful number, since it uses less digits than its factorization.

44245649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203935.

The product of its digits is 138240, while the sum is 38.

The square root of 44245649 is about 6651.7402985986. The cubic root of 44245649 is about 353.6906044693.

The spelling of 44245649 in words is "forty-four million, two hundred forty-five thousand, six hundred forty-nine".