2155433452 has 12 divisors (see below), whose sum is σ = 3778641720. Its totient is φ = 1075821536.

The previous prime is 2155433377. The next prime is 2155433453. The reversal of 2155433452 is 2543345512.

It is not an unprimeable number, because it can be changed into a prime (2155433453) 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, 471238 + ... + 475789.

It is an arithmetic number, because the mean of its divisors is an integer number (314886810).

Almost surely, 2^2155433452 is an apocalyptic number.

It is an amenable number.

2155433452 is a deficient number, since it is larger than the sum of its proper divisors (1623208268).

2155433452 is a wasteful number, since it uses less digits than its factorization.

2155433452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947600 (or 947598 counting only the distinct ones).

The product of its digits is 72000, while the sum is 34.

The square root of 2155433452 is about 46426.6459266659. The cubic root of 2155433452 is about 1291.7492148719.

Adding to 2155433452 its reverse (2543345512), we get a palindrome (4698778964).

The spelling of 2155433452 in words is "two billion, one hundred fifty-five million, four hundred thirty-three thousand, four hundred fifty-two".