1148443530 has 32 divisors (see below), whose sum is σ = 2968285824. Its totient is φ = 282693696.

The previous prime is 1148443489. The next prime is 1148443547. The reversal of 1148443530 is 353448411.

1148443530 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1148443491 and 1148443500.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1471974 + ... + 1472753.

It is an arithmetic number, because the mean of its divisors is an integer number (92758932).

Almost surely, 2^1148443530 is an apocalyptic number.

1148443530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1148443530 is an abundant number, since it is smaller than the sum of its proper divisors (1819842294).

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

1148443530 is a wasteful number, since it uses less digits than its factorization.

1148443530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2944750.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 1148443530 is about 33888.6932471584. The cubic root of 1148443530 is about 1047.2166738665.

The spelling of 1148443530 in words is "one billion, one hundred forty-eight million, four hundred forty-three thousand, five hundred thirty".