8144245 has 16 divisors (see below), whose sum is σ = 10117872. Its totient is φ = 6289920.

The previous prime is 8144237. The next prime is 8144261. The reversal of 8144245 is 5424418.

It can be written as a sum of positive squares in 8 ways, for example, as 625681 + 7518564 = 791^2 + 2742^2 .

It is not a de Polignac number, because 8144245 - 2³ = 8144237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19135 + ... + 19555.

It is an arithmetic number, because the mean of its divisors is an integer number (632367).

Almost surely, 2^8144245 is an apocalyptic number.

It is an amenable number.

8144245 is a deficient number, since it is larger than the sum of its proper divisors (1973627).

8144245 is a wasteful number, since it uses less digits than its factorization.

8144245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552.

The product of its digits is 5120, while the sum is 28.

The square root of 8144245 is about 2853.8123624373. The cubic root of 8144245 is about 201.1948886554.

The spelling of 8144245 in words is "eight million, one hundred forty-four thousand, two hundred forty-five".