1145523512 has 64 divisors (see below), whose sum is σ = 2605763520. Its totient is φ = 460873728.

The previous prime is 1145523499. The next prime is 1145523541. The reversal of 1145523512 is 2153255411.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 433748 + ... + 436380.

It is an arithmetic number, because the mean of its divisors is an integer number (40715055).

Almost surely, 2^1145523512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1145523512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1302881760).

1145523512 is an abundant number, since it is smaller than the sum of its proper divisors (1460240008).

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

1145523512 is a wasteful number, since it uses less digits than its factorization.

1145523512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3120 (or 3116 counting only the distinct ones).

The product of its digits is 6000, while the sum is 29.

The square root of 1145523512 is about 33845.5833455416. The cubic root of 1145523512 is about 1046.3283739554.

Adding to 1145523512 its reverse (2153255411), we get a palindrome (3298778923).

The spelling of 1145523512 in words is "one billion, one hundred forty-five million, five hundred twenty-three thousand, five hundred twelve".