1148643508 has 12 divisors (see below), whose sum is σ = 2030029092. Its totient is φ = 568635200.

The previous prime is 1148643497. The next prime is 1148643521. The reversal of 1148643508 is 8053468411.

It can be written as a sum of positive squares in 2 ways, for example, as 573219364 + 575424144 = 23942^2 + 23988^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1421185 + ... + 1421992.

It is an arithmetic number, because the mean of its divisors is an integer number (169169091).

Almost surely, 2^1148643508 is an apocalyptic number.

It is an amenable number.

1148643508 is a deficient number, since it is larger than the sum of its proper divisors (881385584).

1148643508 is a wasteful number, since it uses less digits than its factorization.

1148643508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2843282 (or 2843280 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 40.

The square root of 1148643508 is about 33891.6436308421. The cubic root of 1148643508 is about 1047.2774541418.

The spelling of 1148643508 in words is "one billion, one hundred forty-eight million, six hundred forty-three thousand, five hundred eight".