3145444425 has 18 divisors (see below), whose sum is σ = 5633840862. Its totient is φ = 1677570240.

The previous prime is 3145444411. The next prime is 3145444451. The reversal of 3145444425 is 5244445413.

It can be written as a sum of positive squares in 3 ways, for example, as 176066361 + 2969378064 = 13269^2 + 54492^2 .

It is not a de Polignac number, because 3145444425 - 2⁷ = 3145444297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3145444425.

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 17 ways as a sum of consecutive naturals, for example, 6989652 + ... + 6990101.

It is an arithmetic number, because the mean of its divisors is an integer number (312991159).

Almost surely, 2^3145444425 is an apocalyptic number.

It is an amenable number.

3145444425 is a deficient number, since it is larger than the sum of its proper divisors (2488396437).

3145444425 is a wasteful number, since it uses less digits than its factorization.

3145444425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13979769 (or 13979761 counting only the distinct ones).

The product of its digits is 153600, while the sum is 36.

The square root of 3145444425 is about 56084.2618298574. The cubic root of 3145444425 is about 1465.1902007786.

Adding to 3145444425 its reverse (5244445413), we get a palindrome (8389889838).

The spelling of 3145444425 in words is "three billion, one hundred forty-five million, four hundred forty-four thousand, four hundred twenty-five".