1145133532 has 24 divisors (see below), whose sum is σ = 2127368880. Its totient is φ = 537488640.

The previous prime is 1145133467. The next prime is 1145133547. The reversal of 1145133532 is 2353315411.

It is a happy number.

It is a super-2 number, since 2×1145133532² = 2622661612221590048, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1145133532.

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 7 ways as a sum of consecutive naturals, for example, 4807 + ... + 48097.

It is an arithmetic number, because the mean of its divisors is an integer number (88640370).

Almost surely, 2^1145133532 is an apocalyptic number.

It is an amenable number.

1145133532 is a deficient number, since it is larger than the sum of its proper divisors (982235348).

1145133532 is a wasteful number, since it uses less digits than its factorization.

1145133532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43701 (or 43699 counting only the distinct ones).

The product of its digits is 5400, while the sum is 28.

The square root of 1145133532 is about 33839.8216898376. The cubic root of 1145133532 is about 1046.2096237512.

Adding to 1145133532 its reverse (2353315411), we get a palindrome (3498448943).

The spelling of 1145133532 in words is "one billion, one hundred forty-five million, one hundred thirty-three thousand, five hundred thirty-two".