3145872920 has 32 divisors (see below), whose sum is σ = 7198189200. Its totient is φ = 1237020288.

The previous prime is 3145872893. The next prime is 3145873009. The reversal of 3145872920 is 292785413.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 664139 + ... + 668858.

Almost surely, 2^3145872920 is an apocalyptic number.

It is an amenable number.

3145872920 is an abundant number, since it is smaller than the sum of its proper divisors (4052316280).

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

3145872920 is a wasteful number, since it uses less digits than its factorization.

3145872920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333067 (or 1333063 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 3145872920 is about 56088.0817999689. The cubic root of 3145872920 is about 1465.2567306637.

The spelling of 3145872920 in words is "three billion, one hundred forty-five million, eight hundred seventy-two thousand, nine hundred twenty".