9143785248 has 96 divisors (see below), whose sum is σ = 25874041536. Its totient is φ = 2810723328.

The previous prime is 9143785177. The next prime is 9143785361. The reversal of 9143785248 is 8425873419.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 9143785248.

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, 1540815 + ... + 1546737.

It is an arithmetic number, because the mean of its divisors is an integer number (269521266).

Almost surely, 2^9143785248 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 9143785248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12937020768).

9143785248 is an abundant number, since it is smaller than the sum of its proper divisors (16730256288).

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

9143785248 is a wasteful number, since it uses less digits than its factorization.

9143785248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7186 (or 7178 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 51.

The square root of 9143785248 is about 95623.1418015535. The cubic root of 9143785248 is about 2091.1025864975.

The spelling of 9143785248 in words is "nine billion, one hundred forty-three million, seven hundred eighty-five thousand, two hundred forty-eight".