8000155 has 8 divisors (see below), whose sum is σ = 9618912. Its totient is φ = 6387648.

The previous prime is 8000141. The next prime is 8000171. The reversal of 8000155 is 5510008.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8000155 is a prime.

It is a Duffinian 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, 1999 + ... + 4471.

It is an arithmetic number, because the mean of its divisors is an integer number (1202364).

Almost surely, 2^8000155 is an apocalyptic number.

8000155 is a deficient number, since it is larger than the sum of its proper divisors (1618757).

8000155 is a wasteful number, since it uses less digits than its factorization.

8000155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3125.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 8000155 is about 2828.4545250012. The cubic root of 8000155 is about 200.0012916583.

The spelling of 8000155 in words is "eight million, one hundred fifty-five", and thus it is an aban number.