8072191145 has 8 divisors (see below), whose sum is σ = 9803336256. Its totient is φ = 6379948336.

The previous prime is 8072191139. The next prime is 8072191177. The reversal of 8072191145 is 5411912708.

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 8072191145 - 2¹² = 8072187049 is a prime.

It is a super-2 number, since 2×8072191145² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8072191099 and 8072191108.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9725117 + ... + 9725946.

It is an arithmetic number, because the mean of its divisors is an integer number (1225417032).

Almost surely, 2^8072191145 is an apocalyptic number.

It is an amenable number.

8072191145 is a deficient number, since it is larger than the sum of its proper divisors (1731145111).

8072191145 is a wasteful number, since it uses less digits than its factorization.

8072191145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19451151.

The product of its (nonzero) digits is 20160, while the sum is 38.

The square root of 8072191145 is about 89845.3735314179. The cubic root of 8072191145 is about 2005.9979232272.

The spelling of 8072191145 in words is "eight billion, seventy-two million, one hundred ninety-one thousand, one hundred forty-five".