8145189023 has 12 divisors (see below), whose sum is σ = 8706663720. Its totient is φ = 7610606640.

The previous prime is 8145189007. The next prime is 8145189113. The reversal of 8145189023 is 3209815418.

It is not a de Polignac number, because 8145189023 - 2⁴ = 8145189007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8145129023) 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, 118265 + ... + 174002.

It is an arithmetic number, because the mean of its divisors is an integer number (725555310).

Almost surely, 2^8145189023 is an apocalyptic number.

8145189023 is a deficient number, since it is larger than the sum of its proper divisors (561474697).

8145189023 is a wasteful number, since it uses less digits than its factorization.

8145189023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292358 (or 292327 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 8145189023 is about 90250.7009557267. The cubic root of 8145189023 is about 2012.0266204893.

The spelling of 8145189023 in words is "eight billion, one hundred forty-five million, one hundred eighty-nine thousand, twenty-three".