4145605204 has 24 divisors (see below), whose sum is σ = 7869913128. Its totient is φ = 1899386880.

The previous prime is 4145605199. The next prime is 4145605229. The reversal of 4145605204 is 4025065414.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 681105604 + 3464499600 = 26098^2 + 58860^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283837 + ... + 298084.

It is an arithmetic number, because the mean of its divisors is an integer number (327913047).

Almost surely, 2^4145605204 is an apocalyptic number.

It is an amenable number.

4145605204 is a deficient number, since it is larger than the sum of its proper divisors (3724307924).

4145605204 is a wasteful number, since it uses less digits than its factorization.

4145605204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582075 (or 582073 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 4145605204 is about 64386.3743660101. The cubic root of 4145605204 is about 1606.4331107008.

The spelling of 4145605204 in words is "four billion, one hundred forty-five million, six hundred five thousand, two hundred four".