5145454231 has 4 divisors (see below), whose sum is σ = 5146781200. Its totient is φ = 5144127264.

The previous prime is 5145454217. The next prime is 5145454271. The reversal of 5145454231 is 1324545415.

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

It is a cyclic number.

It is not a de Polignac number, because 5145454231 - 2¹⁷ = 5145323159 is a prime.

It is a super-2 number, since 2×5145454231² = 52951398486631602722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5145454271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 657651 + ... + 665428.

It is an arithmetic number, because the mean of its divisors is an integer number (1286695300).

Almost surely, 2^5145454231 is an apocalyptic number.

5145454231 is a deficient number, since it is larger than the sum of its proper divisors (1326969).

5145454231 is a wasteful number, since it uses less digits than its factorization.

5145454231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326968.

The product of its digits is 48000, while the sum is 34.

The square root of 5145454231 is about 71731.8216065924. The cubic root of 5145454231 is about 1726.3992546169.

Adding to 5145454231 its reverse (1324545415), we get a palindrome (6469999646).

The spelling of 5145454231 in words is "five billion, one hundred forty-five million, four hundred fifty-four thousand, two hundred thirty-one".