512104145 has 32 divisors (see below), whose sum is σ = 734227200. Its totient is φ = 342545280.

The previous prime is 512104133. The next prime is 512104171. The reversal of 512104145 is 541401215.

It is not a de Polignac number, because 512104145 - 2⁶ = 512104081 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 512104145.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66674 + ... + 73956.

It is an arithmetic number, because the mean of its divisors is an integer number (22944600).

Almost surely, 2^512104145 is an apocalyptic number.

It is an amenable number.

512104145 is a deficient number, since it is larger than the sum of its proper divisors (222123055).

512104145 is an equidigital number, since it uses as much as digits as its factorization.

512104145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7350 (or 7336 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 512104145 is about 22629.7181820720. The cubic root of 512104145 is about 800.0542385101.

It can be divided in two parts, 51210 and 4145, that added together give a palindrome (55355).

The spelling of 512104145 in words is "five hundred twelve million, one hundred four thousand, one hundred forty-five".