4156144 has 20 divisors (see below), whose sum is σ = 8174824. Its totient is φ = 2046528.

The previous prime is 4156093. The next prime is 4156151. The reversal of 4156144 is 4416514.

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, 867 + ... + 3010.

Almost surely, 2^4156144 is an apocalyptic number.

It is an amenable number.

4156144 is a deficient number, since it is larger than the sum of its proper divisors (4018680).

4156144 is a wasteful number, since it uses less digits than its factorization.

4156144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3952 (or 3946 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 4156144 is about 2038.6623065138. The cubic root of 4156144 is about 160.7793229355.

The spelling of 4156144 in words is "four million, one hundred fifty-six thousand, one hundred forty-four".