4145005556 has 24 divisors (see below), whose sum is σ = 7398302184. Its totient is φ = 2031286400.

The previous prime is 4145005547. The next prime is 4145005561. The reversal of 4145005556 is 6555005414.

It can be written as a sum of positive squares in 4 ways, for example, as 117072400 + 4027933156 = 10820^2 + 63466^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205106 + ... + 224406.

It is an arithmetic number, because the mean of its divisors is an integer number (308262591).

Almost surely, 2^4145005556 is an apocalyptic number.

It is an amenable number.

4145005556 is a deficient number, since it is larger than the sum of its proper divisors (3253296628).

4145005556 is a wasteful number, since it uses less digits than its factorization.

4145005556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20371 (or 20369 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 35.

The square root of 4145005556 is about 64381.7175601894. The cubic root of 4145005556 is about 1606.3556518978.

The spelling of 4145005556 in words is "four billion, one hundred forty-five million, five thousand, five hundred fifty-six".