8144145 has 24 divisors (see below), whose sum is σ = 14641536. Its totient is φ = 4342896.

The previous prime is 8144137. The next prime is 8144161. The reversal of 8144145 is 5414418.

It is a happy number.

It is not a de Polignac number, because 8144145 - 2³ = 8144137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

8144145 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2137 + ... + 4566.

It is an arithmetic number, because the mean of its divisors is an integer number (610064).

Almost surely, 2^8144145 is an apocalyptic number.

It is an amenable number.

8144145 is a deficient number, since it is larger than the sum of its proper divisors (6497391).

8144145 is an equidigital number, since it uses as much as digits as its factorization.

8144145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6723 (or 6711 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 8144145 is about 2853.7948419604. The cubic root of 8144145 is about 201.1940651876.

The spelling of 8144145 in words is "eight million, one hundred forty-four thousand, one hundred forty-five".