8111145 has 16 divisors (see below), whose sum is σ = 14832000. Its totient is φ = 3707904.

The previous prime is 8111123. The next prime is 8111149. The reversal of 8111145 is 5411118.

It is a happy number.

8111145 is digitally balanced in base 4 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8111145 - 2¹¹ = 8109097 is a prime.

It is a super-2 number, since 2×8111145² = 131581346422050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

8111145 is strictly pandigital in base 8.

It is not an unprimeable number, because it can be changed into a prime (8111149) 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, 38520 + ... + 38729.

It is an arithmetic number, because the mean of its divisors is an integer number (927000).

Almost surely, 2^8111145 is an apocalyptic number.

It is an amenable number.

8111145 is a deficient number, since it is larger than the sum of its proper divisors (6720855).

8111145 is a wasteful number, since it uses less digits than its factorization.

8111145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77264.

The product of its digits is 160, while the sum is 21.

The square root of 8111145 is about 2848.0071980246. The cubic root of 8111145 is about 200.9219518270.

It can be divided in two parts, 8111 and 145, that added together give a triangular number (8256 = T₁₂₈).

The spelling of 8111145 in words is "eight million, one hundred eleven thousand, one hundred forty-five".