3143505345 has 16 divisors (see below), whose sum is σ = 5044811712. Its totient is φ = 1671468480.

The previous prime is 3143505329. The next prime is 3143505347. The reversal of 3143505345 is 5435053413.

It is not a de Polignac number, because 3143505345 - 2⁴ = 3143505329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3143505347) 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 15 ways as a sum of consecutive naturals, for example, 311602 + ... + 321531.

It is an arithmetic number, because the mean of its divisors is an integer number (315300732).

Almost surely, 2^3143505345 is an apocalyptic number.

It is an amenable number.

3143505345 is a deficient number, since it is larger than the sum of its proper divisors (1901306367).

3143505345 is a wasteful number, since it uses less digits than its factorization.

3143505345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633472.

The product of its (nonzero) digits is 54000, while the sum is 33.

The square root of 3143505345 is about 56066.9719621097. The cubic root of 3143505345 is about 1464.8890557304.

Adding to 3143505345 its reverse (5435053413), we get a palindrome (8578558758).

The spelling of 3143505345 in words is "three billion, one hundred forty-three million, five hundred five thousand, three hundred forty-five".