4125142443 has 4 divisors (see below), whose sum is σ = 5500189928. Its totient is φ = 2750094960.

The previous prime is 4125142423. The next prime is 4125142453. The reversal of 4125142443 is 3442415214.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4125142443 - 2²⁴ = 4108365227 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4125142443.

It is not an unprimeable number, because it can be changed into a prime (4125142423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 687523738 + ... + 687523743.

It is an arithmetic number, because the mean of its divisors is an integer number (1375047482).

Almost surely, 2^4125142443 is an apocalyptic number.

4125142443 is a deficient number, since it is larger than the sum of its proper divisors (1375047485).

4125142443 is a wasteful number, since it uses less digits than its factorization.

4125142443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375047484.

The product of its digits is 15360, while the sum is 30.

The square root of 4125142443 is about 64227.2718010037. The cubic root of 4125142443 is about 1603.7856250203.

Adding to 4125142443 its reverse (3442415214), we get a palindrome (7567557657).

The spelling of 4125142443 in words is "four billion, one hundred twenty-five million, one hundred forty-two thousand, four hundred forty-three".