1155253230 has 24 divisors (see below), whose sum is σ = 3003658632. Its totient is φ = 308067504.

The previous prime is 1155253201. The next prime is 1155253271. The reversal of 1155253230 is 323525511.

It is a happy number.

1155253230 is a `hidden beast` number, since 115 + 525 + 3 + 23 + 0 = 666.

It is a super-2 number, since 2×1155253230² = 2669220050850865800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1155253194 and 1155253203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6417984 + ... + 6418163.

It is an arithmetic number, because the mean of its divisors is an integer number (125152443).

Almost surely, 2^1155253230 is an apocalyptic number.

1155253230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1155253230 is an abundant number, since it is smaller than the sum of its proper divisors (1848405402).

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

1155253230 is a wasteful number, since it uses less digits than its factorization.

1155253230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12836160 (or 12836157 counting only the distinct ones).

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

The square root of 1155253230 is about 33989.0163140977. The cubic root of 1155253230 is about 1049.2824212771.

Adding to 1155253230 its reverse (323525511), we get a palindrome (1478778741).

The spelling of 1155253230 in words is "one billion, one hundred fifty-five million, two hundred fifty-three thousand, two hundred thirty".