8145193071 has 8 divisors (see below), whose sum is σ = 10866898224. Its totient is φ = 5426808320.

The previous prime is 8145193057. The next prime is 8145193079. The reversal of 8145193071 is 1703915418.

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 8145193071 - 2⁷ = 8145192943 is a prime.

It is a super-2 number, since 2×8145193071² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8145193079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 824370 + ... + 834191.

It is an arithmetic number, because the mean of its divisors is an integer number (1358362278).

Almost surely, 2^8145193071 is an apocalyptic number.

8145193071 is a deficient number, since it is larger than the sum of its proper divisors (2721705153).

8145193071 is a wasteful number, since it uses less digits than its factorization.

8145193071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1660201.

The product of its (nonzero) digits is 30240, while the sum is 39.

The square root of 8145193071 is about 90250.7233821425. The cubic root of 8145193071 is about 2012.0269538019.

The spelling of 8145193071 in words is "eight billion, one hundred forty-five million, one hundred ninety-three thousand, seventy-one".