3145440224 has 48 divisors (see below), whose sum is σ = 6413087520. Its totient is φ = 1516838400.

The previous prime is 3145440197. The next prime is 3145440227. The reversal of 3145440224 is 4220445413.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3145440227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1653674 + ... + 1655574.

It is an arithmetic number, because the mean of its divisors is an integer number (133605990).

Almost surely, 2^3145440224 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 3145440224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3206543760).

3145440224 is an abundant number, since it is smaller than the sum of its proper divisors (3267647296).

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

3145440224 is a wasteful number, since it uses less digits than its factorization.

3145440224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3723 (or 3715 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 3145440224 is about 56084.2243772703. The cubic root of 3145440224 is about 1465.1895484843.

Adding to 3145440224 its reverse (4220445413), we get a palindrome (7365885637).

The spelling of 3145440224 in words is "three billion, one hundred forty-five million, four hundred forty thousand, two hundred twenty-four".