1155132452 has 12 divisors (see below), whose sum is σ = 2076116700. Its totient is φ = 561956256.

The previous prime is 1155132413. The next prime is 1155132457. The reversal of 1155132452 is 2542315511.

It can be written as a sum of positive squares in 2 ways, for example, as 1014804736 + 140327716 = 31856^2 + 11846^2 .

It is not an unprimeable number, because it can be changed into a prime (1155132457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3902327 + ... + 3902622.

It is an arithmetic number, because the mean of its divisors is an integer number (173009725).

Almost surely, 2^1155132452 is an apocalyptic number.

It is an amenable number.

1155132452 is a deficient number, since it is larger than the sum of its proper divisors (920984248).

1155132452 is a wasteful number, since it uses less digits than its factorization.

1155132452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7804990 (or 7804988 counting only the distinct ones).

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

The square root of 1155132452 is about 33987.2395466298. The cubic root of 1155132452 is about 1049.2458536382.

Adding to 1155132452 its reverse (2542315511), we get a palindrome (3697447963).

The spelling of 1155132452 in words is "one billion, one hundred fifty-five million, one hundred thirty-two thousand, four hundred fifty-two".