1145523232 has 48 divisors (see below), whose sum is σ = 2621142720. Its totient is φ = 482611968.

The previous prime is 1145523199. The next prime is 1145523241. The reversal of 1145523232 is 2323255411.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 1145523232.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30123 + ... + 56554.

It is an arithmetic number, because the mean of its divisors is an integer number (54607140).

Almost surely, 2^1145523232 is an apocalyptic number.

It is an amenable number.

1145523232 is an abundant number, since it is smaller than the sum of its proper divisors (1475619488).

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

1145523232 is an equidigital number, since it uses as much as digits as its factorization.

1145523232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86753 (or 86745 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The square root of 1145523232 is about 33845.5792091079. The cubic root of 1145523232 is about 1046.3282887041.

Adding to 1145523232 its reverse (2323255411), we get a palindrome (3468778643).

The spelling of 1145523232 in words is "one billion, one hundred forty-five million, five hundred twenty-three thousand, two hundred thirty-two".