4145145555 has 16 divisors (see below), whose sum is σ = 6647351040. Its totient is φ = 2205704928.

The previous prime is 4145145539. The next prime is 4145145559. The reversal of 4145145555 is 5555415414.

It is not a de Polignac number, because 4145145555 - 2⁴ = 4145145539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4145145559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 308157 + ... + 321326.

It is an arithmetic number, because the mean of its divisors is an integer number (415459440).

Almost surely, 2^4145145555 is an apocalyptic number.

4145145555 is a deficient number, since it is larger than the sum of its proper divisors (2502205485).

4145145555 is a wasteful number, since it uses less digits than its factorization.

4145145555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629930.

The product of its digits is 200000, while the sum is 39.

The square root of 4145145555 is about 64382.8048084269. The cubic root of 4145145555 is about 1606.3737367672.

The spelling of 4145145555 in words is "four billion, one hundred forty-five million, one hundred forty-five thousand, five hundred fifty-five".