1148181648 has 40 divisors (see below), whose sum is σ = 2971872288. Its totient is φ = 381987072.

The previous prime is 1148181623. The next prime is 1148181673. The reversal of 1148181648 is 8461818411.

It is an interprime number because it is at equal distance from previous prime (1148181623) and next prime (1148181673).

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

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, 2236 + ... + 47972.

Almost surely, 2^1148181648 is an apocalyptic number.

It is an amenable number.

1148181648 is an abundant number, since it is smaller than the sum of its proper divisors (1823690640).

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

1148181648 is a wasteful number, since it uses less digits than its factorization.

1148181648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46271 (or 46265 counting only the distinct ones).

The product of its digits is 49152, while the sum is 42.

The square root of 1148181648 is about 33884.8291717695. The cubic root of 1148181648 is about 1047.1370681398.

The spelling of 1148181648 in words is "one billion, one hundred forty-eight million, one hundred eighty-one thousand, six hundred forty-eight".