8155144 has 16 divisors (see below), whose sum is σ = 15443820. Its totient is φ = 4036800.

The previous prime is 8155141. The next prime is 8155171. The reversal of 8155144 is 4415518.

It can be written as a sum of positive squares in 2 ways, for example, as 7452900 + 702244 = 2730^2 + 838^2 .

It is not an unprimeable number, because it can be changed into a prime (8155141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4239 + ... + 5854.

Almost surely, 2^8155144 is an apocalyptic number.

It is an amenable number.

8155144 is a deficient number, since it is larger than the sum of its proper divisors (7288676).

8155144 is a wasteful number, since it uses less digits than its factorization.

8155144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10200 (or 10196 counting only the distinct ones).

The product of its digits is 3200, while the sum is 28.

The square root of 8155144 is about 2855.7212749146. The cubic root of 8155144 is about 201.2845980408.

It can be divided in two parts, 815514 and 4, that added together give a palindrome (815518).

The spelling of 8155144 in words is "eight million, one hundred fifty-five thousand, one hundred forty-four".