547145 has 16 divisors (see below), whose sum is σ = 716688. Its totient is φ = 399360.

The previous prime is 547139. The next prime is 547171. The reversal of 547145 is 541745.

It can be written as a sum of positive squares in 8 ways, for example, as 51529 + 495616 = 227^2 + 704^2 .

It is a de Polignac number, because none of the positive numbers 2^k-547145 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3407 + ... + 3563.

It is an arithmetic number, because the mean of its divisors is an integer number (44793).

2⁵⁴⁷¹⁴⁵ is an apocalyptic number.

It is an amenable number.

547145 is a deficient number, since it is larger than the sum of its proper divisors (169543).

547145 is a wasteful number, since it uses less digits than its factorization.

547145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220.

The product of its digits is 2800, while the sum is 26.

The square root of 547145 is about 739.6925036797. The cubic root of 547145 is about 81.7901136419.

Adding to 547145 its product of digits (2800), we get a palindrome (549945).

The spelling of 547145 in words is "five hundred forty-seven thousand, one hundred forty-five".