8145616 has 10 divisors (see below), whose sum is σ = 15782162. Its totient is φ = 4072800.

The previous prime is 8145583. The next prime is 8145629. The reversal of 8145616 is 6165418.

It can be written as a sum of positive squares in only one way, i.e., 4161600 + 3984016 = 2040^2 + 1996^2 .

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 254535 + ... + 254566.

Almost surely, 2^8145616 is an apocalyptic number.

It is an amenable number.

8145616 is a deficient number, since it is larger than the sum of its proper divisors (7636546).

8145616 is a wasteful number, since it uses less digits than its factorization.

8145616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509109 (or 509103 counting only the distinct ones).

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

The square root of 8145616 is about 2854.0525573297. The cubic root of 8145616 is about 201.2061777197.

The spelling of 8145616 in words is "eight million, one hundred forty-five thousand, six hundred sixteen".