4145044 has 6 divisors (see below), whose sum is σ = 7253834. Its totient is φ = 2072520.

The previous prime is 4145033. The next prime is 4145047. The reversal of 4145044 is 4405414.

It can be written as a sum of positive squares in only one way, i.e., 3104644 + 1040400 = 1762^2 + 1020^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4145047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 518127 + ... + 518134.

Almost surely, 2^4145044 is an apocalyptic number.

It is an amenable number.

4145044 is a deficient number, since it is larger than the sum of its proper divisors (3108790).

4145044 is a wasteful number, since it uses less digits than its factorization.

4145044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036265 (or 1036263 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 4145044 is about 2035.9381130083. The cubic root of 4145044 is about 160.6360618079.

The spelling of 4145044 in words is "four million, one hundred forty-five thousand, forty-four".