6451145848 has 64 divisors (see below), whose sum is σ = 14666342400. Its totient is φ = 2598583680.

The previous prime is 6451145837. The next prime is 6451145851. The reversal of 6451145848 is 8485411546.

It is a junction number, because it is equal to n+sod(n) for n = 6451145798 and 6451145807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111258 + ... + 158998.

It is an arithmetic number, because the mean of its divisors is an integer number (229161600).

Almost surely, 2^6451145848 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 6451145848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7333171200).

6451145848 is an abundant number, since it is smaller than the sum of its proper divisors (8215196552).

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

6451145848 is a wasteful number, since it uses less digits than its factorization.

6451145848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47900 (or 47896 counting only the distinct ones).

The product of its digits is 614400, while the sum is 46.

The square root of 6451145848 is about 80319.0254422948. The cubic root of 6451145848 is about 1861.5682084031.

The spelling of 6451145848 in words is "six billion, four hundred fifty-one million, one hundred forty-five thousand, eight hundred forty-eight".