8186145 has 16 divisors (see below), whose sum is σ = 14288832. Its totient is φ = 3968960.

The previous prime is 8186141. The next prime is 8186153. The reversal of 8186145 is 5416818.

8186145 is digitally balanced in base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8186145 - 2² = 8186141 is a prime.

It is a super-2 number, since 2×8186145² = 134025939922050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (8186141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24642 + ... + 24971.

It is an arithmetic number, because the mean of its divisors is an integer number (893052).

Almost surely, 2^8186145 is an apocalyptic number.

It is an amenable number.

8186145 is a deficient number, since it is larger than the sum of its proper divisors (6102687).

8186145 is a wasteful number, since it uses less digits than its factorization.

8186145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49632.

The product of its digits is 7680, while the sum is 33.

The square root of 8186145 is about 2861.1440019684. The cubic root of 8186145 is about 201.5393302494.

The spelling of 8186145 in words is "eight million, one hundred eighty-six thousand, one hundred forty-five".