44663445 has 12 divisors (see below), whose sum is σ = 77416716. Its totient is φ = 23820480.

The previous prime is 44663441. The next prime is 44663453. The reversal of 44663445 is 54436644.

It can be written as a sum of positive squares in 2 ways, for example, as 31069476 + 13593969 = 5574^2 + 3687^2 .

It is not a de Polignac number, because 44663445 - 2² = 44663441 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44663441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 496216 + ... + 496305.

It is an arithmetic number, because the mean of its divisors is an integer number (6451393).

Almost surely, 2^44663445 is an apocalyptic number.

44663445 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

44663445 is a deficient number, since it is larger than the sum of its proper divisors (32753271).

44663445 is a wasteful number, since it uses less digits than its factorization.

44663445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992532 (or 992529 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

The square root of 44663445 is about 6683.0715243816. The cubic root of 44663445 is about 354.8003770904.

The spelling of 44663445 in words is "forty-four million, six hundred sixty-three thousand, four hundred forty-five".