8145475009 has 16 divisors (see below), whose sum is σ = 9801625600. Its totient is φ = 6612644304.

The previous prime is 8145474973. The next prime is 8145475027. The reversal of 8145475009 is 9005745418.

It is not a de Polignac number, because 8145475009 - 2⁷ = 8145474881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8145475049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 842002 + ... + 851620.

It is an arithmetic number, because the mean of its divisors is an integer number (612601600).

Almost surely, 2^8145475009 is an apocalyptic number.

It is an amenable number.

8145475009 is a deficient number, since it is larger than the sum of its proper divisors (1656150591).

8145475009 is a wasteful number, since it uses less digits than its factorization.

8145475009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16012.

The product of its (nonzero) digits is 201600, while the sum is 43.

The square root of 8145475009 is about 90252.2853394860. The cubic root of 8145475009 is about 2012.0501683247.

The spelling of 8145475009 in words is "eight billion, one hundred forty-five million, four hundred seventy-five thousand, nine".