275143912 has 16 divisors (see below), whose sum is σ = 546241860. Its totient is φ = 129479424.

The previous prime is 275143903. The next prime is 275143961. The reversal of 275143912 is 219341572.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 268763236 + 6380676 = 16394^2 + 2526^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1011423 + ... + 1011694.

Almost surely, 2^275143912 is an apocalyptic number.

It is an amenable number.

275143912 is a deficient number, since it is larger than the sum of its proper divisors (271097948).

275143912 is a wasteful number, since it uses less digits than its factorization.

275143912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2023140 (or 2023136 counting only the distinct ones).

The product of its digits is 15120, while the sum is 34.

The square root of 275143912 is about 16587.4624943058. The cubic root of 275143912 is about 650.4091404414.

The spelling of 275143912 in words is "two hundred seventy-five million, one hundred forty-three thousand, nine hundred twelve".