274245 has 16 divisors (see below), whose sum is σ = 449280. Its totient is φ = 142784.

The previous prime is 274243. The next prime is 274259. The reversal of 274245 is 542472.

It is a cyclic number.

It is not a de Polignac number, because 274245 - 2¹ = 274243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 511 + ... + 899.

It is an arithmetic number, because the mean of its divisors is an integer number (28080).

2²⁷⁴²⁴⁵ is an apocalyptic number.

It is an amenable number.

274245 is a deficient number, since it is larger than the sum of its proper divisors (175035).

274245 is a wasteful number, since it uses less digits than its factorization.

274245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444.

The product of its digits is 2240, while the sum is 24.

The square root of 274245 is about 523.6840650621. The cubic root of 274245 is about 64.9700058853.

It can be divided in two parts, 2 and 74245, that added together give a palindrome (74247).

The spelling of 274245 in words is "two hundred seventy-four thousand, two hundred forty-five".