2154412452 has 12 divisors (see below), whose sum is σ = 5026962416. Its totient is φ = 718137480.

The previous prime is 2154412441. The next prime is 2154412471. The reversal of 2154412452 is 2542144512.

It is a tau number, because it is divible by the number of its divisors (12).

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 3 ways as a sum of consecutive naturals, for example, 89767174 + ... + 89767197.

Almost surely, 2^2154412452 is an apocalyptic number.

It is an amenable number.

2154412452 is an abundant number, since it is smaller than the sum of its proper divisors (2872549964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2154412452 is a wasteful number, since it uses less digits than its factorization.

2154412452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179534378 (or 179534376 counting only the distinct ones).

The product of its digits is 12800, while the sum is 30.

The square root of 2154412452 is about 46415.6487835730. The cubic root of 2154412452 is about 1291.5452212163.

Adding to 2154412452 its reverse (2542144512), we get a palindrome (4696556964).

The spelling of 2154412452 in words is "two billion, one hundred fifty-four million, four hundred twelve thousand, four hundred fifty-two".