274545 has 12 divisors (see below), whose sum is σ = 475956. Its totient is φ = 146400.

The previous prime is 274529. The next prime is 274579. The reversal of 274545 is 545472.

It can be written as a sum of positive squares in 2 ways, for example, as 136161 + 138384 = 369^2 + 372^2 .

It is not a de Polignac number, because 274545 - 2⁴ = 274529 is a prime.

It is a d-powerful number, because it can be written as 2¹¹ + 7 + 5⁵ + 4⁶ + 4⁹ + 5⁵ .

It is an alternating number because its digits alternate between even and odd.

It is a Curzon 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 11 ways as a sum of consecutive naturals, for example, 3006 + ... + 3095.

It is an arithmetic number, because the mean of its divisors is an integer number (39663).

2²⁷⁴⁵⁴⁵ is an apocalyptic number.

It is an amenable number.

274545 is a deficient number, since it is larger than the sum of its proper divisors (201411).

274545 is a wasteful number, since it uses less digits than its factorization.

274545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6112 (or 6109 counting only the distinct ones).

The product of its digits is 5600, while the sum is 27.

The square root of 274545 is about 523.9704190124. The cubic root of 274545 is about 64.9936877499.

It can be divided in two parts, 2 and 74545, that added together give a palindrome (74547).

The spelling of 274545 in words is "two hundred seventy-four thousand, five hundred forty-five".