45445425 has 24 divisors (see below), whose sum is σ = 76974240. Its totient is φ = 23644800.

The previous prime is 45445417. The next prime is 45445429. The reversal of 45445425 is 52454454.

45445425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45445425 - 2³ = 45445417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45445429) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 4315 + ... + 10464.

It is an arithmetic number, because the mean of its divisors is an integer number (3207260).

Almost surely, 2^45445425 is an apocalyptic number.

It is an amenable number.

45445425 is a deficient number, since it is larger than the sum of its proper divisors (31528815).

45445425 is a wasteful number, since it uses less digits than its factorization.

45445425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14833 (or 14828 counting only the distinct ones).

The product of its digits is 64000, while the sum is 33.

The square root of 45445425 is about 6741.3221996875. The cubic root of 45445425 is about 356.8590566353.

Adding to 45445425 its reverse (52454454), we get a palindrome (97899879).

The spelling of 45445425 in words is "forty-five million, four hundred forty-five thousand, four hundred twenty-five".