4143045420 has 72 divisors (see below), whose sum is σ = 12572685216. Its totient is φ = 1104333312.

The previous prime is 4143045409. The next prime is 4143045443. The reversal of 4143045420 is 245403414.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 648964 + ... + 655316.

It is an arithmetic number, because the mean of its divisors is an integer number (174620628).

Almost surely, 2^4143045420 is an apocalyptic number.

It is an amenable number.

4143045420 is an abundant number, since it is smaller than the sum of its proper divisors (8429639796).

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

4143045420 is a wasteful number, since it uses less digits than its factorization.

4143045420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9991 (or 9986 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 4143045420 is about 64366.4929913072. The cubic root of 4143045420 is about 1606.1024015738.

Adding to 4143045420 its reverse (245403414), we get a palindrome (4388448834).

The spelling of 4143045420 in words is "four billion, one hundred forty-three million, forty-five thousand, four hundred twenty".