1145530230 has 128 divisors (see below), whose sum is σ = 3029902848. Its totient is φ = 275484672.

The previous prime is 1145530229. The next prime is 1145530231. The reversal of 1145530230 is 320355411.

It is an interprime number because it is at equal distance from previous prime (1145530229) and next prime (1145530231).

It is a self number, because there is not a number n which added to its sum of digits gives 1145530230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145530231) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4047669 + ... + 4047951.

It is an arithmetic number, because the mean of its divisors is an integer number (23671116).

Almost surely, 2^1145530230 is an apocalyptic number.

1145530230 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 1145530230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1514951424).

1145530230 is an abundant number, since it is smaller than the sum of its proper divisors (1884372618).

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

1145530230 is a wasteful number, since it uses less digits than its factorization.

1145530230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1145530230 is about 33845.6825902507. The cubic root of 1145530230 is about 1046.3304193725.

Adding to 1145530230 its reverse (320355411), we get a palindrome (1465885641).

The spelling of 1145530230 in words is "one billion, one hundred forty-five million, five hundred thirty thousand, two hundred thirty".