3225143251745 has 4 divisors (see below), whose sum is σ = 3870171902100. Its totient is φ = 2580114601392.

The previous prime is 3225143251709. The next prime is 3225143251753. The reversal of 3225143251745 is 5471523415223.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 562489500049 + 2662653751696 = 749993^2 + 1631764^2 .

It is a cyclic number.

It is not a de Polignac number, because 3225143251745 - 2²⁰ = 3225142203169 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3225143251696 and 3225143251705.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322514325170 + ... + 322514325179.

It is an arithmetic number, because the mean of its divisors is an integer number (967542975525).

Almost surely, 2^{3225143251745} is an apocalyptic number.

It is an amenable number.

3225143251745 is a deficient number, since it is larger than the sum of its proper divisors (645028650355).

3225143251745 is an equidigital number, since it uses as much as digits as its factorization.

3225143251745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645028650354.

The product of its digits is 1008000, while the sum is 44.

Adding to 3225143251745 its reverse (5471523415223), we get a palindrome (8696666666968).

The spelling of 3225143251745 in words is "three trillion, two hundred twenty-five billion, one hundred forty-three million, two hundred fifty-one thousand, seven hundred forty-five".