45020225 has 6 divisors (see below), whose sum is σ = 55825110. Its totient is φ = 36016160.

The previous prime is 45020207. The next prime is 45020243. The reversal of 45020225 is 52202054.

45020225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (45020207) and next prime (45020243).

It can be written as a sum of positive squares in 3 ways, for example, as 4963984 + 40056241 = 2228^2 + 6329^2 .

It is not a de Polignac number, because 45020225 - 2¹⁰ = 45019201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45020197 and 45020206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 900380 + ... + 900429.

It is an arithmetic number, because the mean of its divisors is an integer number (9304185).

Almost surely, 2^45020225 is an apocalyptic number.

It is an amenable number.

45020225 is a deficient number, since it is larger than the sum of its proper divisors (10804885).

45020225 is a wasteful number, since it uses less digits than its factorization.

45020225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1800819 (or 1800814 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 45020225 is about 6709.7112456498. The cubic root of 45020225 is about 355.7426099989.

Adding to 45020225 its reverse (52202054), we get a palindrome (97222279).

The spelling of 45020225 in words is "forty-five million, twenty thousand, two hundred twenty-five".