44145648 has 100 divisors (see below), whose sum is σ = 133415568. Its totient is φ = 14065920.

The previous prime is 44145641. The next prime is 44145653. The reversal of 44145648 is 84654144.

It is a happy number.

44145648 is a `hidden beast` number, since 4 + 4 + 1 + 4 + 5 + 648 = 666.

44145648 is nontrivially palindromic in base 15.

44145648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44145641) 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 19 ways as a sum of consecutive naturals, for example, 29068 + ... + 30548.

Almost surely, 2^44145648 is an apocalyptic number.

44145648 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44145648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66707784).

44145648 is an abundant number, since it is smaller than the sum of its proper divisors (89269920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44145648 is a wasteful number, since it uses less digits than its factorization.

44145648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524 (or 1509 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

The square root of 44145648 is about 6644.2191414793. The cubic root of 44145648 is about 353.4239410048.

The spelling of 44145648 in words is "forty-four million, one hundred forty-five thousand, six hundred forty-eight".