1145043332 has 12 divisors (see below), whose sum is σ = 2005795596. Its totient is φ = 571958880.

The previous prime is 1145043287. The next prime is 1145043343. The reversal of 1145043332 is 2333405411.

It can be written as a sum of positive squares in 2 ways, for example, as 535644736 + 609398596 = 23144^2 + 24686^2 .

It is a super-2 number, since 2×1145043332² = 2622248464315324448, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136103 + ... + 144270.

It is an arithmetic number, because the mean of its divisors is an integer number (167149633).

Almost surely, 2^1145043332 is an apocalyptic number.

It is an amenable number.

1145043332 is a deficient number, since it is larger than the sum of its proper divisors (860752264).

1145043332 is a wasteful number, since it uses less digits than its factorization.

1145043332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281398 (or 281396 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 1145043332 is about 33838.4889142527. The cubic root of 1145043332 is about 1046.1821537129.

Adding to 1145043332 its reverse (2333405411), we get a palindrome (3478448743).

The spelling of 1145043332 in words is "one billion, one hundred forty-five million, forty-three thousand, three hundred thirty-two".