1148857000 has 32 divisors (see below), whose sum is σ = 2688327720. Its totient is φ = 459542400.

The previous prime is 1148856959. The next prime is 1148857001. The reversal of 1148857000 is 7588411.

It can be written as a sum of positive squares in 4 ways, for example, as 395134884 + 753722116 = 19878^2 + 27454^2 .

It is not an unprimeable number, because it can be changed into a prime (1148857001) 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 7 ways as a sum of consecutive naturals, for example, 573429 + ... + 575428.

Almost surely, 2^1148857000 is an apocalyptic number.

1148857000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1148857000 is an abundant number, since it is smaller than the sum of its proper divisors (1539470720).

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

1148857000 is a wasteful number, since it uses less digits than its factorization.

1148857000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148878 (or 1148864 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 34.

The square root of 1148857000 is about 33894.7931104469. The cubic root of 1148857000 is about 1047.3423340069.

The spelling of 1148857000 in words is "one billion, one hundred forty-eight million, eight hundred fifty-seven thousand".