512144145 has 24 divisors (see below), whose sum is σ = 934440000. Its totient is φ = 258767136.

The previous prime is 512144117. The next prime is 512144167. The reversal of 512144145 is 541441215.

512144145 is a `hidden beast` number, since 512 + 1 + 4 + 4 + 145 = 666.

512144145 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 512144145 - 2⁶ = 512144081 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 298645 + ... + 300354.

It is an arithmetic number, because the mean of its divisors is an integer number (38935000).

Almost surely, 2^512144145 is an apocalyptic number.

It is an amenable number.

512144145 is a deficient number, since it is larger than the sum of its proper divisors (422295855).

512144145 is a wasteful number, since it uses less digits than its factorization.

512144145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599029 (or 599026 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 512144145 is about 22630.6019584102. The cubic root of 512144145 is about 800.0750684765.

The spelling of 512144145 in words is "five hundred twelve million, one hundred forty-four thousand, one hundred forty-five".