8190271145 has 64 divisors (see below), whose sum is σ = 11921817600. Its totient is φ = 5283809280.

The previous prime is 8190271129. The next prime is 8190271153. The reversal of 8190271145 is 5411720918.

It is not a de Polignac number, because 8190271145 - 2⁴ = 8190271129 is a prime.

It is a super-2 number, since 2×8190271145² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8190271099 and 8190271108.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6208796 + ... + 6210114.

It is an arithmetic number, because the mean of its divisors is an integer number (186278400).

Almost surely, 2^8190271145 is an apocalyptic number.

It is an amenable number.

8190271145 is a deficient number, since it is larger than the sum of its proper divisors (3731546455).

8190271145 is a wasteful number, since it uses less digits than its factorization.

8190271145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1518.

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

The square root of 8190271145 is about 90500.1168231290. The cubic root of 8190271145 is about 2015.7318586042.

The spelling of 8190271145 in words is "eight billion, one hundred ninety million, two hundred seventy-one thousand, one hundred forty-five".