9145396171 has 4 divisors (see below), whose sum is σ = 9153584752. Its totient is φ = 9137207592.

The previous prime is 9145396157. The next prime is 9145396193. The reversal of 9145396171 is 1716935419.

9145396171 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9145396171 - 2¹¹ = 9145394123 is a prime.

It is a super-2 number, since 2×9145396171² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9145393171) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4092615 + ... + 4094848.

It is an arithmetic number, because the mean of its divisors is an integer number (2288396188).

Almost surely, 2^9145396171 is an apocalyptic number.

9145396171 is a deficient number, since it is larger than the sum of its proper divisors (8188581).

9145396171 is a wasteful number, since it uses less digits than its factorization.

9145396171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8188580.

The product of its digits is 204120, while the sum is 46.

The square root of 9145396171 is about 95631.5647210690. The cubic root of 9145396171 is about 2091.2253805541.

The spelling of 9145396171 in words is "nine billion, one hundred forty-five million, three hundred ninety-six thousand, one hundred seventy-one".