2145432224 has 48 divisors (see below), whose sum is σ = 4553395560. Its totient is φ = 989184000.

The previous prime is 2145432199. The next prime is 2145432227. The reversal of 2145432224 is 4222345412.

It can be written as a sum of positive squares in 4 ways, for example, as 1229764624 + 915667600 = 35068^2 + 30260^2 .

It is not an unprimeable number, because it can be changed into a prime (2145432227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 534224 + ... + 538224.

Almost surely, 2^2145432224 is an apocalyptic number.

It is an amenable number.

2145432224 is an abundant number, since it is smaller than the sum of its proper divisors (2407963336).

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

2145432224 is a wasteful number, since it uses less digits than its factorization.

2145432224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5313 (or 5305 counting only the distinct ones).

The product of its digits is 15360, while the sum is 29.

The square root of 2145432224 is about 46318.8106928492. The cubic root of 2145432224 is about 1289.7482079725.

Adding to 2145432224 its reverse (4222345412), we get a palindrome (6367777636).

The spelling of 2145432224 in words is "two billion, one hundred forty-five million, four hundred thirty-two thousand, two hundred twenty-four".