2145412452 has 12 divisors (see below), whose sum is σ = 5005962416. Its totient is φ = 715137480.

The previous prime is 2145412429. The next prime is 2145412471. The reversal of 2145412452 is 2542145412.

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89392174 + ... + 89392197.

Almost surely, 2^2145412452 is an apocalyptic number.

It is an amenable number.

2145412452 is an abundant number, since it is smaller than the sum of its proper divisors (2860549964).

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

2145412452 is a wasteful number, since it uses less digits than its factorization.

2145412452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178784378 (or 178784376 counting only the distinct ones).

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

The square root of 2145412452 is about 46318.5972585526. The cubic root of 2145412452 is about 1289.7442459146.

Adding to 2145412452 its reverse (2542145412), we get a palindrome (4687557864).

The spelling of 2145412452 in words is "two billion, one hundred forty-five million, four hundred twelve thousand, four hundred fifty-two".