1145234532 has 24 divisors (see below), whose sum is σ = 2877769216. Its totient is φ = 352379808.

The previous prime is 1145234491. The next prime is 1145234537. The reversal of 1145234532 is 2354325411.

It is a self number, because there is not a number n which added to its sum of digits gives 1145234532.

It is not an unprimeable number, because it can be changed into a prime (1145234537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3670468 + ... + 3670779.

Almost surely, 2^1145234532 is an apocalyptic number.

1145234532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1145234532 is an abundant number, since it is smaller than the sum of its proper divisors (1732534684).

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

1145234532 is a wasteful number, since it uses less digits than its factorization.

1145234532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7341267 (or 7341265 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 1145234532 is about 33841.3139815817. The cubic root of 1145234532 is about 1046.2403811731.

Adding to 1145234532 its reverse (2354325411), we get a palindrome (3499559943).

The spelling of 1145234532 in words is "one billion, one hundred forty-five million, two hundred thirty-four thousand, five hundred thirty-two".