4145223200 has 36 divisors (see below), whose sum is σ = 10119528090. Its totient is φ = 1658088960.

The previous prime is 4145223193. The next prime is 4145223281. The reversal of 4145223200 is 23225414.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2595698704 + 1549524496 = 50948^2 + 39364^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2589965 + ... + 2591564.

Almost surely, 2^4145223200 is an apocalyptic number.

4145223200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4145223200 is an abundant number, since it is smaller than the sum of its proper divisors (5974304890).

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

4145223200 is a wasteful number, since it uses less digits than its factorization.

4145223200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5181549 (or 5181536 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 4145223200 is about 64383.4078004574. The cubic root of 4145223200 is about 1606.3837666611.

Adding to 4145223200 its reverse (23225414), we get a palindrome (4168448614).

The spelling of 4145223200 in words is "four billion, one hundred forty-five million, two hundred twenty-three thousand, two hundred".