5145284443 has 4 divisors (see below), whose sum is σ = 5541075568. Its totient is φ = 4749493320.

The previous prime is 5145284401. The next prime is 5145284471. The reversal of 5145284443 is 3444825415.

It is a happy number.

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

It is not a de Polignac number, because 5145284443 - 2¹⁷ = 5145153371 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5145284396 and 5145284405.

It is not an unprimeable number, because it can be changed into a prime (5145284143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197895543 + ... + 197895568.

It is an arithmetic number, because the mean of its divisors is an integer number (1385268892).

Almost surely, 2^5145284443 is an apocalyptic number.

5145284443 is a deficient number, since it is larger than the sum of its proper divisors (395791125).

5145284443 is a wasteful number, since it uses less digits than its factorization.

5145284443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395791124.

The product of its digits is 307200, while the sum is 40.

The square root of 5145284443 is about 71730.6381053452. The cubic root of 5145284443 is about 1726.3802653571.

The spelling of 5145284443 in words is "five billion, one hundred forty-five million, two hundred eighty-four thousand, four hundred forty-three".