4145320225 has 12 divisors (see below), whose sum is σ = 5144135040. Its totient is φ = 3313715600.

The previous prime is 4145320213. The next prime is 4145320229. The reversal of 4145320225 is 5220235414.

It is not a de Polignac number, because 4145320225 - 2⁷ = 4145320097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4145320193 and 4145320202.

It is not an unprimeable number, because it can be changed into a prime (4145320229) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29881 + ... + 95830.

It is an arithmetic number, because the mean of its divisors is an integer number (428677920).

Almost surely, 2^4145320225 is an apocalyptic number.

It is an amenable number.

4145320225 is a deficient number, since it is larger than the sum of its proper divisors (998814815).

4145320225 is a wasteful number, since it uses less digits than its factorization.

4145320225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127040 (or 127035 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 4145320225 is about 64384.1612898700. The cubic root of 4145320225 is about 1606.3962998156.

Adding to 4145320225 its reverse (5220235414), we get a palindrome (9365555639).

The spelling of 4145320225 in words is "four billion, one hundred forty-five million, three hundred twenty thousand, two hundred twenty-five".