5145244533431 has 4 divisors (see below), whose sum is σ = 5447905976592. Its totient is φ = 4842583090272.

The previous prime is 5145244533427. The next prime is 5145244533437. The reversal of 5145244533431 is 1343354425415.

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 5145244533431 - 2² = 5145244533427 is a prime.

It is a super-2 number, since 2×5145244533431² (a number of 26 digits) 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 (5145244533437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151330721555 + ... + 151330721588.

It is an arithmetic number, because the mean of its divisors is an integer number (1361976494148).

Almost surely, 2^{5145244533431} is an apocalyptic number.

5145244533431 is a deficient number, since it is larger than the sum of its proper divisors (302661443161).

5145244533431 is a wasteful number, since it uses less digits than its factorization.

5145244533431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302661443160.

The product of its digits is 1728000, while the sum is 44.

Adding to 5145244533431 its reverse (1343354425415), we get a palindrome (6488598958846).

The spelling of 5145244533431 in words is "five trillion, one hundred forty-five billion, two hundred forty-four million, five hundred thirty-three thousand, four hundred thirty-one".