445122042 has 16 divisors (see below), whose sum is σ = 896743872. Its totient is φ = 147290720.

The previous prime is 445122017. The next prime is 445122047. The reversal of 445122042 is 240221544.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (445122047) 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, 269934 + ... + 271577.

It is an arithmetic number, because the mean of its divisors is an integer number (56046492).

Almost surely, 2^445122042 is an apocalyptic number.

445122042 is an abundant number, since it is smaller than the sum of its proper divisors (451621830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

445122042 is a wasteful number, since it uses less digits than its factorization.

445122042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541653.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 445122042 is about 21097.9155842467. The cubic root of 445122042 is about 763.5304592286.

Adding to 445122042 its reverse (240221544), we get a palindrome (685343586).

The spelling of 445122042 in words is "four hundred forty-five million, one hundred twenty-two thousand, forty-two".