8050805145 has 12 divisors (see below), whose sum is σ = 13954728996. Its totient is φ = 4293762720.

The previous prime is 8050805131. The next prime is 8050805149. The reversal of 8050805145 is 5415080508.

8050805145 is a `hidden beast` number, since 8 + 0 + 508 + 0 + 5 + 145 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2176502409 + 5874302736 = 46653^2 + 76644^2 .

It is a de Polignac number, because none of the positive numbers 2^k-8050805145 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8050805149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89453346 + ... + 89453435.

It is an arithmetic number, because the mean of its divisors is an integer number (1162894083).

Almost surely, 2^8050805145 is an apocalyptic number.

It is an amenable number.

8050805145 is a deficient number, since it is larger than the sum of its proper divisors (5903923851).

8050805145 is a wasteful number, since it uses less digits than its factorization.

8050805145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178906792 (or 178906789 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 36.

The square root of 8050805145 is about 89726.2790101094. The cubic root of 8050805145 is about 2004.2248311998.

The spelling of 8050805145 in words is "eight billion, fifty million, eight hundred five thousand, one hundred forty-five".