3115145543 has 8 divisors (see below), whose sum is σ = 3227720400. Its totient is φ = 3004563328.

The previous prime is 3115145531. The next prime is 3115145557. The reversal of 3115145543 is 3455415113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3115145543 - 2⁶ = 3115145479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3115115543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 494978 + ... + 501231.

It is an arithmetic number, because the mean of its divisors is an integer number (403465050).

Almost surely, 2^3115145543 is an apocalyptic number.

3115145543 is a deficient number, since it is larger than the sum of its proper divisors (112574857).

3115145543 is an equidigital number, since it uses as much as digits as its factorization.

3115145543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996321.

The product of its digits is 18000, while the sum is 32.

The square root of 3115145543 is about 55813.4888982941. The cubic root of 3115145543 is about 1460.4704718537.

The spelling of 3115145543 in words is "three billion, one hundred fifteen million, one hundred forty-five thousand, five hundred forty-three".