10146865 has 4 divisors (see below), whose sum is σ = 12176244. Its totient is φ = 8117488.

The previous prime is 10146863. The next prime is 10146907. The reversal of 10146865 is 56864101.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4036081 + 6110784 = 2009^2 + 2472^2 .

It is a cyclic number.

It is not a de Polignac number, because 10146865 - 2¹ = 10146863 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10146863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1014682 + ... + 1014691.

It is an arithmetic number, because the mean of its divisors is an integer number (3044061).

Almost surely, 2^10146865 is an apocalyptic number.

It is an amenable number.

10146865 is a deficient number, since it is larger than the sum of its proper divisors (2029379).

10146865 is an equidigital number, since it uses as much as digits as its factorization.

10146865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2029378.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 10146865 is about 3185.4144157393. The cubic root of 10146865 is about 216.4930509248.

It can be divided in two parts, 10146 and 865, that added together give a palindrome (11011).

The spelling of 10146865 in words is "ten million, one hundred forty-six thousand, eight hundred sixty-five".