3145043320 has 64 divisors (see below), whose sum is σ = 7241944320. Its totient is φ = 1228790784.

The previous prime is 3145043309. The next prime is 3145043357. The reversal of 3145043320 is 233405413.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 490777 + ... + 497143.

It is an arithmetic number, because the mean of its divisors is an integer number (113155380).

Almost surely, 2^3145043320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3145043320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3620972160).

3145043320 is an abundant number, since it is smaller than the sum of its proper divisors (4096901000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3145043320 is a wasteful number, since it uses less digits than its factorization.

3145043320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6664 (or 6660 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 3145043320 is about 56080.6858017981. The cubic root of 3145043320 is about 1465.1279181015.

Adding to 3145043320 its reverse (233405413), we get a palindrome (3378448733).

The spelling of 3145043320 in words is "three billion, one hundred forty-five million, forty-three thousand, three hundred twenty".