545085 has 12 divisors (see below), whose sum is σ = 944892. Its totient is φ = 290688.

The previous prime is 545063. The next prime is 545087. The reversal of 545085 is 580545.

It can be written as a sum of positive squares in 2 ways, for example, as 181476 + 363609 = 426^2 + 603^2 .

It is not a de Polignac number, because 545085 - 2¹² = 540989 is a prime.

545085 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 545085.

It is not an unprimeable number, because it can be changed into a prime (545087) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6012 + ... + 6101.

It is an arithmetic number, because the mean of its divisors is an integer number (78741).

2⁵⁴⁵⁰⁸⁵ is an apocalyptic number.

It is an amenable number.

545085 is a deficient number, since it is larger than the sum of its proper divisors (399807).

545085 is a wasteful number, since it uses less digits than its factorization.

545085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12124 (or 12121 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 545085 is about 738.2987200314. The cubic root of 545085 is about 81.6873380039.

The spelling of 545085 in words is "five hundred forty-five thousand, eighty-five".