1148395248 has 480 divisors, whose sum is σ = 4471713792. Its totient is φ = 265420800.

The previous prime is 1148395247. The next prime is 1148395253. The reversal of 1148395248 is 8425938411.

1148395248 is a `hidden beast` number, since 1 + 14 + 8 + 395 + 248 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148395247) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4468336 + ... + 4468592.

Almost surely, 2^1148395248 is an apocalyptic number.

1148395248 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1148395248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2235856896).

1148395248 is an abundant number, since it is smaller than the sum of its proper divisors (3323318544).

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

1148395248 is a wasteful number, since it uses less digits than its factorization.

1148395248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333 (or 324 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 1148395248 is about 33887.9808781816. The cubic root of 1148395248 is about 1047.2019982286.

The spelling of 1148395248 in words is "one billion, one hundred forty-eight million, three hundred ninety-five thousand, two hundred forty-eight".