544945 has 8 divisors (see below), whose sum is σ = 663336. Its totient is φ = 429696.

The previous prime is 544937. The next prime is 544961. The reversal of 544945 is 549445.

It can be written as a sum of positive squares in 4 ways, for example, as 156816 + 388129 = 396^2 + 623^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 544945 - 2³ = 544937 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382 + ... + 1111.

It is an arithmetic number, because the mean of its divisors is an integer number (82917).

2⁵⁴⁴⁹⁴⁵ is an apocalyptic number.

It is an amenable number.

544945 is a deficient number, since it is larger than the sum of its proper divisors (118391).

544945 is a wasteful number, since it uses less digits than its factorization.

544945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571.

The product of its digits is 14400, while the sum is 31.

The square root of 544945 is about 738.2039013714. The cubic root of 544945 is about 81.6803438613.

The spelling of 544945 in words is "five hundred forty-four thousand, nine hundred forty-five".