4145604557 has 2 divisors, whose sum is σ = 4145604558. Its totient is φ = 4145604556.

The previous prime is 4145604539. The next prime is 4145604637. The reversal of 4145604557 is 7554065414.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3808000681 + 337603876 = 61709^2 + 18374^2 .

It is a cyclic number.

It is not a de Polignac number, because 4145604557 - 2¹⁰ = 4145603533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4145604517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2072802278 + 2072802279.

It is an arithmetic number, because the mean of its divisors is an integer number (2072802279).

Almost surely, 2^4145604557 is an apocalyptic number.

It is an amenable number.

4145604557 is a deficient number, since it is larger than the sum of its proper divisors (1).

4145604557 is an equidigital number, since it uses as much as digits as its factorization.

4145604557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336000, while the sum is 41.

The square root of 4145604557 is about 64386.3693416549. The cubic root of 4145604557 is about 1606.4330271294.

The spelling of 4145604557 in words is "four billion, one hundred forty-five million, six hundred four thousand, five hundred fifty-seven".