1153525230 has 192 divisors, whose sum is σ = 3600350208. Its totient is φ = 252506880.

The previous prime is 1153525229. The next prime is 1153525249. The reversal of 1153525230 is 325253511.

It is a happy number.

1153525230 is a `hidden beast` number, since 115 + 3 + 525 + 23 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1153525194 and 1153525203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 603937 + ... + 605843.

It is an arithmetic number, because the mean of its divisors is an integer number (18751824).

Almost surely, 2^1153525230 is an apocalyptic number.

1153525230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1153525230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1800175104).

1153525230 is an abundant number, since it is smaller than the sum of its proper divisors (2446824978).

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

1153525230 is a wasteful number, since it uses less digits than its factorization.

1153525230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1991 (or 1988 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 1153525230 is about 33963.5868247157. The cubic root of 1153525230 is about 1048.7589964106.

Adding to 1153525230 its reverse (325253511), we get a palindrome (1478778741).

The spelling of 1153525230 in words is "one billion, one hundred fifty-three million, five hundred twenty-five thousand, two hundred thirty".