275053145 has 4 divisors (see below), whose sum is σ = 330063780. Its totient is φ = 220042512.

The previous prime is 275053109. The next prime is 275053147. The reversal of 275053145 is 541350572.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 82065481 + 192987664 = 9059^2 + 13892^2 .

It is a cyclic number.

It is not a de Polignac number, because 275053145 - 2²⁴ = 258275929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (275053147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27505310 + ... + 27505319.

It is an arithmetic number, because the mean of its divisors is an integer number (82515945).

Almost surely, 2^275053145 is an apocalyptic number.

It is an amenable number.

275053145 is a deficient number, since it is larger than the sum of its proper divisors (55010635).

275053145 is an equidigital number, since it uses as much as digits as its factorization.

275053145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55010634.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 275053145 is about 16584.7262564083. The cubic root of 275053145 is about 650.3376115956.

The spelling of 275053145 in words is "two hundred seventy-five million, fifty-three thousand, one hundred forty-five".