1148491256 has 32 divisors (see below), whose sum is σ = 2378937600. Its totient is φ = 515430240.

The previous prime is 1148491217. The next prime is 1148491273. The reversal of 1148491256 is 6521948411.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75650 + ... + 89553.

It is an arithmetic number, because the mean of its divisors is an integer number (74341800).

Almost surely, 2^1148491256 is an apocalyptic number.

It is an amenable number.

1148491256 is an abundant number, since it is smaller than the sum of its proper divisors (1230446344).

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

1148491256 is a wasteful number, since it uses less digits than its factorization.

1148491256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165299 (or 165295 counting only the distinct ones).

The product of its digits is 69120, while the sum is 41.

The square root of 1148491256 is about 33889.3973980064. The cubic root of 1148491256 is about 1047.2311801002.

The spelling of 1148491256 in words is "one billion, one hundred forty-eight million, four hundred ninety-one thousand, two hundred fifty-six".