546445 has 8 divisors (see below), whose sum is σ = 659736. Its totient is φ = 434496.

The previous prime is 546391. The next prime is 546461. The reversal of 546445 is 544645.

It can be written as a sum of positive squares in 4 ways, for example, as 184041 + 362404 = 429^2 + 602^2 .

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 546445 - 2⁷ = 546317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1279 + ... + 1651.

It is an arithmetic number, because the mean of its divisors is an integer number (82467).

2⁵⁴⁶⁴⁴⁵ is an apocalyptic number.

It is an amenable number.

546445 is a deficient number, since it is larger than the sum of its proper divisors (113291).

546445 is a wasteful number, since it uses less digits than its factorization.

546445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671.

The product of its digits is 9600, while the sum is 28.

The square root of 546445 is about 739.2191826515. The cubic root of 546445 is about 81.7552188621.

The spelling of 546445 in words is "five hundred forty-six thousand, four hundred forty-five".