275583145 has 8 divisors (see below), whose sum is σ = 331895304. Its totient is φ = 219669504.

The previous prime is 275583131. The next prime is 275583167. The reversal of 275583145 is 541385572.

It can be written as a sum of positive squares in 4 ways, for example, as 7573504 + 268009641 = 2752^2 + 16371^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 275583145 - 2¹⁵ = 275550377 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 275583098 and 275583107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98104 + ... + 100873.

It is an arithmetic number, because the mean of its divisors is an integer number (41486913).

Almost surely, 2^275583145 is an apocalyptic number.

It is an amenable number.

275583145 is a deficient number, since it is larger than the sum of its proper divisors (56312159).

275583145 is a wasteful number, since it uses less digits than its factorization.

275583145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199259.

The product of its digits is 168000, while the sum is 40.

The square root of 275583145 is about 16600.6971239162. The cubic root of 275583145 is about 650.7550555087.

It can be divided in two parts, 27558 and 3145, that added together give a palindrome (30703).

The spelling of 275583145 in words is "two hundred seventy-five million, five hundred eighty-three thousand, one hundred forty-five".