45445522 has 16 divisors (see below), whose sum is σ = 73716480. Its totient is φ = 20930368.

The previous prime is 45445513. The next prime is 45445529. The reversal of 45445522 is 22554454.

45445522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (45445529) 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 7 ways as a sum of consecutive naturals, for example, 12622 + ... + 15817.

It is an arithmetic number, because the mean of its divisors is an integer number (4607280).

Almost surely, 2^45445522 is an apocalyptic number.

45445522 is a deficient number, since it is larger than the sum of its proper divisors (28270958).

45445522 is a wasteful number, since it uses less digits than its factorization.

45445522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28505.

The product of its digits is 32000, while the sum is 31.

The square root of 45445522 is about 6741.3293941180. The cubic root of 45445522 is about 356.8593105318.

Adding to 45445522 its reverse (22554454), we get a palindrome (67999976).

The spelling of 45445522 in words is "forty-five million, four hundred forty-five thousand, five hundred twenty-two".