544888945 has 8 divisors (see below), whose sum is σ = 654019560. Its totient is φ = 435809280.

The previous prime is 544888943. The next prime is 544888961. The reversal of 544888945 is 549888445.

It can be written as a sum of positive squares in 4 ways, for example, as 52359696 + 492529249 = 7236^2 + 22193^2 .

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

It is not a de Polignac number, because 544888945 - 2¹ = 544888943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (544888943) 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 7 ways as a sum of consecutive naturals, for example, 17191 + ... + 37219.

It is an arithmetic number, because the mean of its divisors is an integer number (81752445).

Almost surely, 2^544888945 is an apocalyptic number.

It is an amenable number.

544888945 is a deficient number, since it is larger than the sum of its proper divisors (109130615).

544888945 is a wasteful number, since it uses less digits than its factorization.

544888945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25475.

The product of its digits is 7372800, while the sum is 55.

The square root of 544888945 is about 23342.8564019059. The cubic root of 544888945 is about 816.7754312079.

The spelling of 544888945 in words is "five hundred forty-four million, eight hundred eighty-eight thousand, nine hundred forty-five".