5145135843 has 4 divisors (see below), whose sum is σ = 6860181128. Its totient is φ = 3430090560.

The previous prime is 5145135739. The next prime is 5145135851. The reversal of 5145135843 is 3485315415.

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

It is not a de Polignac number, because 5145135843 - 2¹³ = 5145127651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5145135883) 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, 857522638 + ... + 857522643.

It is an arithmetic number, because the mean of its divisors is an integer number (1715045282).

Almost surely, 2^5145135843 is an apocalyptic number.

5145135843 is a deficient number, since it is larger than the sum of its proper divisors (1715045285).

5145135843 is a wasteful number, since it uses less digits than its factorization.

5145135843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1715045284.

The product of its digits is 144000, while the sum is 39.

The square root of 5145135843 is about 71729.6022782784. The cubic root of 5145135843 is about 1726.3636454417.

The spelling of 5145135843 in words is "five billion, one hundred forty-five million, one hundred thirty-five thousand, eight hundred forty-three".