4205144 has 16 divisors (see below), whose sum is σ = 7967400. Its totient is φ = 2080512.

The previous prime is 4205143. The next prime is 4205147. The reversal of 4205144 is 4415024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4205143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1934 + ... + 3485.

Almost surely, 2^4205144 is an apocalyptic number.

It is an amenable number.

4205144 is a deficient number, since it is larger than the sum of its proper divisors (3762256).

4205144 is a wasteful number, since it uses less digits than its factorization.

4205144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5522 (or 5518 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 4205144 is about 2050.6447766495. The cubic root of 4205144 is about 161.4087065942.

The spelling of 4205144 in words is "four million, two hundred five thousand, one hundred forty-four".