3145221024 has 48 divisors (see below), whose sum is σ = 9006772320. Its totient is φ = 953096960.

The previous prime is 3145221019. The next prime is 3145221041. The reversal of 3145221024 is 4201225413.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 3145220985 and 3145221003.

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, 1488159 + ... + 1490270.

It is an arithmetic number, because the mean of its divisors is an integer number (187641090).

Almost surely, 2^3145221024 is an apocalyptic number.

It is an amenable number.

3145221024 is an abundant number, since it is smaller than the sum of its proper divisors (5861551296).

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

3145221024 is a wasteful number, since it uses less digits than its factorization.

3145221024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2978453 (or 2978445 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 3145221024 is about 56082.2701395013. The cubic root of 3145221024 is about 1465.1555122300.

Adding to 3145221024 its reverse (4201225413), we get a palindrome (7346446437).

The spelling of 3145221024 in words is "three billion, one hundred forty-five million, two hundred twenty-one thousand, twenty-four".