4145227648 has 64 divisors (see below), whose sum is σ = 8401536000. Its totient is φ = 2036805120.

The previous prime is 4145227631. The next prime is 4145227721. The reversal of 4145227648 is 8467225414.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×4145227648² = 34365824507487223808, which contains 22 as substring.

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, 3989113 + ... + 3990151.

It is an arithmetic number, because the mean of its divisors is an integer number (131274000).

Almost surely, 2^4145227648 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 4145227648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4200768000).

4145227648 is an abundant number, since it is smaller than the sum of its proper divisors (4256308352).

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

4145227648 is a wasteful number, since it uses less digits than its factorization.

4145227648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1563 (or 1551 counting only the distinct ones).

The product of its digits is 430080, while the sum is 43.

The square root of 4145227648 is about 64383.4423435094. The cubic root of 4145227648 is about 1606.3843412335.

The spelling of 4145227648 in words is "four billion, one hundred forty-five million, two hundred twenty-seven thousand, six hundred forty-eight".