1148478848 has 32 divisors (see below), whose sum is σ = 2495986920. Its totient is φ = 522035200.

The previous prime is 1148478823. The next prime is 1148478871. The reversal of 1148478848 is 8488748411.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 1148478848.

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 3 ways as a sum of consecutive naturals, for example, 406433 + ... + 409248.

Almost surely, 2^1148478848 is an apocalyptic number.

It is an amenable number.

1148478848 is an abundant number, since it is smaller than the sum of its proper divisors (1347508072).

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

1148478848 is an equidigital number, since it uses as much as digits as its factorization.

1148478848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815706 (or 815694 counting only the distinct ones).

The product of its digits is 1835008, while the sum is 53.

The square root of 1148478848 is about 33889.2143314064. The cubic root of 1148478848 is about 1047.2274087491.

The spelling of 1148478848 in words is "one billion, one hundred forty-eight million, four hundred seventy-eight thousand, eight hundred forty-eight".