5145453443 has 4 divisors (see below), whose sum is σ = 5541257568. Its totient is φ = 4749649320.

The previous prime is 5145453421. The next prime is 5145453463. The reversal of 5145453443 is 3443545415.

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

It is not a de Polignac number, because 5145453443 - 2³⁰ = 4071711619 is a prime.

It is a super-2 number, since 2×5145453443² = 52951382268161108498, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5145453397 and 5145453406.

It is not an unprimeable number, because it can be changed into a prime (5145453463) 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, 197902043 + ... + 197902068.

It is an arithmetic number, because the mean of its divisors is an integer number (1385314392).

Almost surely, 2^5145453443 is an apocalyptic number.

5145453443 is a deficient number, since it is larger than the sum of its proper divisors (395804125).

5145453443 is a wasteful number, since it uses less digits than its factorization.

5145453443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395804124.

The product of its digits is 288000, while the sum is 38.

The square root of 5145453443 is about 71731.8161139114. The cubic root of 5145453443 is about 1726.3991664871.

Adding to 5145453443 its reverse (3443545415), we get a palindrome (8588998858).

The spelling of 5145453443 in words is "five billion, one hundred forty-five million, four hundred fifty-three thousand, four hundred forty-three".