1148814885 has 16 divisors (see below), whose sum is σ = 1841336640. Its totient is φ = 611623680.

The previous prime is 1148814881. The next prime is 1148814893. The reversal of 1148814885 is 5884188411.

It is not a de Polignac number, because 1148814885 - 2² = 1148814881 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148814881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58500 + ... + 75629.

It is an arithmetic number, because the mean of its divisors is an integer number (115083540).

Almost surely, 2^1148814885 is an apocalyptic number.

1148814885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1148814885 is a deficient number, since it is larger than the sum of its proper divisors (692521755).

1148814885 is a wasteful number, since it uses less digits than its factorization.

1148814885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134708.

The product of its digits is 327680, while the sum is 48.

The square root of 1148814885 is about 33894.1718441386. The cubic root of 1148814885 is about 1047.3295359646.

The spelling of 1148814885 in words is "one billion, one hundred forty-eight million, eight hundred fourteen thousand, eight hundred eighty-five".