512304145 has 16 divisors (see below), whose sum is σ = 628751952. Its totient is φ = 400619520.

The previous prime is 512304131. The next prime is 512304151. The reversal of 512304145 is 541403215.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1860496 + 510443649 = 1364^2 + 22593^2 .

It is not a de Polignac number, because 512304145 - 2¹¹ = 512302097 is a prime.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 35035 + ... + 47455.

It is an arithmetic number, because the mean of its divisors is an integer number (39296997).

Almost surely, 2^512304145 is an apocalyptic number.

It is an amenable number.

512304145 is a deficient number, since it is larger than the sum of its proper divisors (116447807).

512304145 is a wasteful number, since it uses less digits than its factorization.

512304145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12612.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 512304145 is about 22634.1367186822. The cubic root of 512304145 is about 800.1583774978.

The spelling of 512304145 in words is "five hundred twelve million, three hundred four thousand, one hundred forty-five".