3145509828 has 48 divisors (see below), whose sum is σ = 8188931520. Its totient is φ = 1044144000.

The previous prime is 3145509821. The next prime is 3145509839. The reversal of 3145509828 is 8289055413.

3145509828 is a `hidden beast` number, since 3 + 1 + 4 + 550 + 98 + 2 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (3145509821) by changing a digit.

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, 34398 + ... + 86453.

It is an arithmetic number, because the mean of its divisors is an integer number (170602740).

Almost surely, 2^3145509828 is an apocalyptic number.

It is an amenable number.

3145509828 is an abundant number, since it is smaller than the sum of its proper divisors (5043421692).

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

3145509828 is a wasteful number, since it uses less digits than its factorization.

3145509828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121105 (or 121097 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The square root of 3145509828 is about 56084.8449048404. The cubic root of 3145509828 is about 1465.2003559064.

The spelling of 3145509828 in words is "three billion, one hundred forty-five million, five hundred nine thousand, eight hundred twenty-eight".