541845 has 12 divisors (see below), whose sum is σ = 939276. Its totient is φ = 288960.

The previous prime is 541837. The next prime is 541859. The reversal of 541845 is 548145.

It can be written as a sum of positive squares in 2 ways, for example, as 269361 + 272484 = 519^2 + 522^2 .

It is not a de Polignac number, because 541845 - 2³ = 541837 is a prime.

It is a nialpdrome in base 15.

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 541845.

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 11 ways as a sum of consecutive naturals, for example, 5976 + ... + 6065.

It is an arithmetic number, because the mean of its divisors is an integer number (78273).

2⁵⁴¹⁸⁴⁵ is an apocalyptic number.

It is an amenable number.

541845 is a deficient number, since it is larger than the sum of its proper divisors (397431).

541845 is a wasteful number, since it uses less digits than its factorization.

541845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12052 (or 12049 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 541845 is about 736.1012158664. The cubic root of 541845 is about 81.5251656763.

The spelling of 541845 in words is "five hundred forty-one thousand, eight hundred forty-five".