45071825 has 24 divisors (see below), whose sum is σ = 57853440. Its totient is φ = 34812800.

The previous prime is 45071821. The next prime is 45071843. The reversal of 45071825 is 52817054.

It is not a de Polignac number, because 45071825 - 2² = 45071821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45071791 and 45071800.

It is not an unprimeable number, because it can be changed into a prime (45071821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104360 + ... + 104790.

It is an arithmetic number, because the mean of its divisors is an integer number (2410560).

Almost surely, 2^45071825 is an apocalyptic number.

It is an amenable number.

45071825 is a deficient number, since it is larger than the sum of its proper divisors (12781615).

45071825 is a wasteful number, since it uses less digits than its factorization.

45071825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577 (or 572 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 45071825 is about 6713.5553174157. Note that the first 3 decimals coincide. The cubic root of 45071825 is about 355.8784697530.

Adding to 45071825 its reverse (52817054), we get a palindrome (97888879).

The spelling of 45071825 in words is "forty-five million, seventy-one thousand, eight hundred twenty-five".