8145515045 has 8 divisors (see below), whose sum is σ = 9786028824. Its totient is φ = 6508804864.

The previous prime is 8145515011. The next prime is 8145515047. The reversal of 8145515045 is 5405155418.

It can be written as a sum of positive squares in 4 ways, for example, as 2683861636 + 5461653409 = 51806^2 + 73903^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8145515045 - 2⁸ = 8145514789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8145515047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 946184 + ... + 954753.

It is an arithmetic number, because the mean of its divisors is an integer number (1223253603).

Almost surely, 2^8145515045 is an apocalyptic number.

It is an amenable number.

8145515045 is a deficient number, since it is larger than the sum of its proper divisors (1640513779).

8145515045 is a wasteful number, since it uses less digits than its factorization.

8145515045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1901799.

The product of its (nonzero) digits is 80000, while the sum is 38.

The square root of 8145515045 is about 90252.5071396911. The cubic root of 8145515045 is about 2012.0534648097.

The spelling of 8145515045 in words is "eight billion, one hundred forty-five million, five hundred fifteen thousand, forty-five".