9168439145 has 8 divisors (see below), whose sum is σ = 11257990656. Its totient is φ = 7164175536.

The previous prime is 9168439123. The next prime is 9168439153. The reversal of 9168439145 is 5419348619.

9168439145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 9168439145 - 2²⁴ = 9151661929 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9168439093 and 9168439102.

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, 21321737 + ... + 21322166.

It is an arithmetic number, because the mean of its divisors is an integer number (1407248832).

Almost surely, 2^9168439145 is an apocalyptic number.

It is an amenable number.

9168439145 is a deficient number, since it is larger than the sum of its proper divisors (2089551511).

9168439145 is a wasteful number, since it uses less digits than its factorization.

9168439145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42643951.

The product of its digits is 933120, while the sum is 50.

The square root of 9168439145 is about 95751.9667944215. The cubic root of 9168439145 is about 2092.9802757961.

The spelling of 9168439145 in words is "nine billion, one hundred sixty-eight million, four hundred thirty-nine thousand, one hundred forty-five".