1148436864 has 96 divisors (see below), whose sum is σ = 3311419800. Its totient is φ = 382040064.

The previous prime is 1148436847. The next prime is 1148436889. The reversal of 1148436864 is 4686348411.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1016652 + ... + 1017780.

Almost surely, 2^1148436864 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 1148436864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1655709900).

1148436864 is an abundant number, since it is smaller than the sum of its proper divisors (2162982936).

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

1148436864 is a wasteful number, since it uses less digits than its factorization.

1148436864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2032 (or 2017 counting only the distinct ones).

The product of its digits is 442368, while the sum is 45.

The square root of 1148436864 is about 33888.5948956282. The cubic root of 1148436864 is about 1047.2146477155.

The spelling of 1148436864 in words is "one billion, one hundred forty-eight million, four hundred thirty-six thousand, eight hundred sixty-four".