8331145 has 8 divisors (see below), whose sum is σ = 10013256. Its totient is φ = 6654336.

The previous prime is 8331137. The next prime is 8331163. The reversal of 8331145 is 5411338.

8331145 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3326976 + 5004169 = 1824^2 + 2237^2 .

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 8331145 - 2³ = 8331137 is a prime.

It is a super-2 number, since 2×8331145² = 138815954022050, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4359 + ... + 5971.

It is an arithmetic number, because the mean of its divisors is an integer number (1251657).

Almost surely, 2^8331145 is an apocalyptic number.

It is an amenable number.

8331145 is a deficient number, since it is larger than the sum of its proper divisors (1682111).

8331145 is a wasteful number, since it uses less digits than its factorization.

8331145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2651.

The product of its digits is 1440, while the sum is 25.

The square root of 8331145 is about 2886.3722906098. The cubic root of 8331145 is about 202.7223184517.

The spelling of 8331145 in words is "eight million, three hundred thirty-one thousand, one hundred forty-five".