8145530 has 16 divisors (see below), whose sum is σ = 14730120. Its totient is φ = 3243072.

The previous prime is 8145479. The next prime is 8145541. The reversal of 8145530 is 355418.

It can be written as a sum of positive squares in 4 ways, for example, as 6806881 + 1338649 = 2609^2 + 1157^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8145530.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 512 + ... + 4068.

Almost surely, 2^8145530 is an apocalyptic number.

8145530 is a deficient number, since it is larger than the sum of its proper divisors (6584590).

8145530 is a wasteful number, since it uses less digits than its factorization.

8145530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3793.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 8145530 is about 2854.0374909941. The cubic root of 8145530 is about 201.2054696172.

The spelling of 8145530 in words is "eight million, one hundred forty-five thousand, five hundred thirty".