8145808470 has 32 divisors (see below), whose sum is σ = 21722156640. Its totient is φ = 2172215520.

The previous prime is 8145808453. The next prime is 8145808471. The reversal of 8145808470 is 748085418.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8145808471) 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, 15084561 + ... + 15085100.

It is an arithmetic number, because the mean of its divisors is an integer number (678817395).

Almost surely, 2^8145808470 is an apocalyptic number.

8145808470 is an abundant number, since it is smaller than the sum of its proper divisors (13576348170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8145808470 is a wasteful number, since it uses less digits than its factorization.

8145808470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30169677 (or 30169671 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 45.

The square root of 8145808470 is about 90254.1327031621. The cubic root of 8145808470 is about 2012.0776245138.

The spelling of 8145808470 in words is "eight billion, one hundred forty-five million, eight hundred eight thousand, four hundred seventy".