1151302230 has 96 divisors (see below), whose sum is σ = 3233805120. Its totient is φ = 282504960.

The previous prime is 1151302219. The next prime is 1151302231. The reversal of 1151302230 is 322031511.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151302231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 418660 + ... + 421400.

It is an arithmetic number, because the mean of its divisors is an integer number (33685470).

Almost surely, 2^1151302230 is an apocalyptic number.

1151302230 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 1151302230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1616902560).

1151302230 is an abundant number, since it is smaller than the sum of its proper divisors (2082502890).

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

1151302230 is a wasteful number, since it uses less digits than its factorization.

1151302230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3126 (or 3123 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1151302230 is about 33930.8448170687. The cubic root of 1151302230 is about 1048.0848627694.

Adding to 1151302230 its reverse (322031511), we get a palindrome (1473333741).

The spelling of 1151302230 in words is "one billion, one hundred fifty-one million, three hundred two thousand, two hundred thirty".