44945505 has 96 divisors (see below), whose sum is σ = 91653120. Its totient is φ = 20160000.

The previous prime is 44945503. The next prime is 44945513. The reversal of 44945505 is 50554944.

It is not a de Polignac number, because 44945505 - 2¹ = 44945503 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44945505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44945503) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 444955 + ... + 445055.

It is an arithmetic number, because the mean of its divisors is an integer number (954720).

Almost surely, 2^44945505 is an apocalyptic number.

44945505 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

44945505 is an abundant number, since it is smaller than the sum of its proper divisors (46707615).

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

44945505 is a wasteful number, since it uses less digits than its factorization.

44945505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 44945505 is about 6704.1408845578. The cubic root of 44945505 is about 355.5456925252.

It can be divided in two parts, 4494 and 5505, that added together give a palindrome (9999).

The spelling of 44945505 in words is "forty-four million, nine hundred forty-five thousand, five hundred five".