276145412 has 12 divisors (see below), whose sum is σ = 490061376. Its totient is φ = 136127880.

The previous prime is 276145403. The next prime is 276145417. The reversal of 276145412 is 214541672.

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

It is not an unprimeable number, because it can be changed into a prime (276145417) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 485888 + ... + 486455.

It is an arithmetic number, because the mean of its divisors is an integer number (40838448).

Almost surely, 2^276145412 is an apocalyptic number.

It is an amenable number.

276145412 is a deficient number, since it is larger than the sum of its proper divisors (213915964).

276145412 is a wasteful number, since it uses less digits than its factorization.

276145412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972418 (or 972416 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 276145412 is about 16617.6235364748. The cubic root of 276145412 is about 651.1973292062.

The spelling of 276145412 in words is "two hundred seventy-six million, one hundred forty-five thousand, four hundred twelve".