4145522452025 has 6 divisors (see below), whose sum is σ = 5140447840542. Its totient is φ = 3316417961600.

The previous prime is 4145522451947. The next prime is 4145522452067. The reversal of 4145522452025 is 5202542255414.

It can be written as a sum of positive squares in 3 ways, for example, as 2229633961 + 4143292818064 = 47219^2 + 2035508^2 .

It is a de Polignac number, because none of the positive numbers 2^k-4145522452025 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 82910449016 + ... + 82910449065.

It is an arithmetic number, because the mean of its divisors is an integer number (856741306757).

Almost surely, 2^{4145522452025} is an apocalyptic number.

It is an amenable number.

4145522452025 is a deficient number, since it is larger than the sum of its proper divisors (994925388517).

4145522452025 is a wasteful number, since it uses less digits than its factorization.

4145522452025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165820898091 (or 165820898086 counting only the distinct ones).

The product of its (nonzero) digits is 640000, while the sum is 41.

The spelling of 4145522452025 in words is "four trillion, one hundred forty-five billion, five hundred twenty-two million, four hundred fifty-two thousand, twenty-five".