544745 has 4 divisors (see below), whose sum is σ = 653700. Its totient is φ = 435792.

The previous prime is 544727. The next prime is 544757. The reversal of 544745 is 547445.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 426409 + 118336 = 653^2 + 344^2 .

It is a cyclic number.

It is not a de Polignac number, because 544745 - 2¹⁶ = 479209 is a prime.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 54470 + ... + 54479.

It is an arithmetic number, because the mean of its divisors is an integer number (163425).

2⁵⁴⁴⁷⁴⁵ is an apocalyptic number.

It is an amenable number.

544745 is a deficient number, since it is larger than the sum of its proper divisors (108955).

544745 is a wasteful number, since it uses less digits than its factorization.

544745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108954.

The product of its digits is 11200, while the sum is 29.

The square root of 544745 is about 738.0684250122. The cubic root of 544745 is about 81.6703501509.

The spelling of 544745 in words is "five hundred forty-four thousand, seven hundred forty-five".