1155153452 has 12 divisors (see below), whose sum is σ = 2021756520. Its totient is φ = 577508736.

The previous prime is 1155153437. The next prime is 1155153481. The reversal of 1155153452 is 2543515511.

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, 57788 + ... + 75164.

It is an arithmetic number, because the mean of its divisors is an integer number (168479710).

Almost surely, 2^1155153452 is an apocalyptic number.

It is an amenable number.

1155153452 is a deficient number, since it is larger than the sum of its proper divisors (866603068).

1155153452 is a wasteful number, since it uses less digits than its factorization.

1155153452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34000 (or 33998 counting only the distinct ones).

The product of its digits is 15000, while the sum is 32.

The square root of 1155153452 is about 33987.5484847025. The cubic root of 1155153452 is about 1049.2522119362.

Adding to 1155153452 its reverse (2543515511), we get a palindrome (3698668963).

The spelling of 1155153452 in words is "one billion, one hundred fifty-five million, one hundred fifty-three thousand, four hundred fifty-two".