4055144 has 8 divisors (see below), whose sum is σ = 7603410. Its totient is φ = 2027568.

The previous prime is 4055143. The next prime is 4055147. The reversal of 4055144 is 4415504.

4055144 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3648100 + 407044 = 1910^2 + 638^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4055143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253439 + ... + 253454.

Almost surely, 2^4055144 is an apocalyptic number.

It is an amenable number.

4055144 is a deficient number, since it is larger than the sum of its proper divisors (3548266).

4055144 is a wasteful number, since it uses less digits than its factorization.

4055144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506899 (or 506895 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 4055144 is about 2013.7388112662. The cubic root of 4055144 is about 159.4662422047.

The spelling of 4055144 in words is "four million, fifty-five thousand, one hundred forty-four".