505130045 has 16 divisors (see below), whose sum is σ = 709648128. Its totient is φ = 337925760.

The previous prime is 505130039. The next prime is 505130047. The reversal of 505130045 is 540031505.

It is not a de Polignac number, because 505130045 - 2⁶ = 505129981 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 505130045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505130047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174569 + ... + 177438.

It is an arithmetic number, because the mean of its divisors is an integer number (44353008).

Almost surely, 2^505130045 is an apocalyptic number.

It is an amenable number.

505130045 is a deficient number, since it is larger than the sum of its proper divisors (204518083).

505130045 is a wasteful number, since it uses less digits than its factorization.

505130045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352060.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 505130045 is about 22475.0983312643. The cubic root of 505130045 is about 796.4057745500.

The spelling of 505130045 in words is "five hundred five million, one hundred thirty thousand, forty-five".