4145557168 has 120 divisors (see below), whose sum is σ = 9094292928. Its totient is φ = 1823348736.

The previous prime is 4145557103. The next prime is 4145557183. The reversal of 4145557168 is 8617555414.

4145557168 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6762430 + ... + 6763042.

Almost surely, 2^4145557168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4145557168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4547146464).

4145557168 is an abundant number, since it is smaller than the sum of its proper divisors (4948735760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4145557168 is a wasteful number, since it uses less digits than its factorization.

4145557168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731 (or 702 counting only the distinct ones).

The product of its digits is 672000, while the sum is 46.

The square root of 4145557168 is about 64386.0013356941. The cubic root of 4145557168 is about 1606.4269059840.

The spelling of 4145557168 in words is "four billion, one hundred forty-five million, five hundred fifty-seven thousand, one hundred sixty-eight".