8145515152 has 10 divisors (see below), whose sum is σ = 15781935638. Its totient is φ = 4072757568.

The previous prime is 8145515089. The next prime is 8145515233. The reversal of 8145515152 is 2515155418.

It can be written as a sum of positive squares in only one way, i.e., 6335523216 + 1809991936 = 79596^2 + 42544^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 254547333 + ... + 254547364.

Almost surely, 2^8145515152 is an apocalyptic number.

It is an amenable number.

8145515152 is a deficient number, since it is larger than the sum of its proper divisors (7636420486).

8145515152 is a wasteful number, since it uses less digits than its factorization.

8145515152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509094705 (or 509094699 counting only the distinct ones).

The product of its digits is 40000, while the sum is 37.

The square root of 8145515152 is about 90252.5077324725. The cubic root of 8145515152 is about 2012.0534736199.

The spelling of 8145515152 in words is "eight billion, one hundred forty-five million, five hundred fifteen thousand, one hundred fifty-two".