3144205 has 4 divisors (see below), whose sum is σ = 3773052. Its totient is φ = 2515360.

The previous prime is 3144191. The next prime is 3144217. The reversal of 3144205 is 5024413.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5024413 = 223 ⋅22531.

It can be written as a sum of positive squares in 2 ways, for example, as 1087849 + 2056356 = 1043^2 + 1434^2 .

It is not a de Polignac number, because 3144205 - 2⁵ = 3144173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314416 + ... + 314425.

It is an arithmetic number, because the mean of its divisors is an integer number (943263).

Almost surely, 2^3144205 is an apocalyptic number.

It is an amenable number.

3144205 is a deficient number, since it is larger than the sum of its proper divisors (628847).

3144205 is an equidigital number, since it uses as much as digits as its factorization.

3144205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628846.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 3144205 is about 1773.1906270900. The cubic root of 3144205 is about 146.4997728566.

Adding to 3144205 its reverse (5024413), we get a palindrome (8168618).

The spelling of 3144205 in words is "three million, one hundred forty-four thousand, two hundred five".