445241442 has 16 divisors (see below), whose sum is σ = 890699040. Its totient is φ = 148377792.

The previous prime is 445241417. The next prime is 445241443. The reversal of 445241442 is 244142544.

It is not an unprimeable number, because it can be changed into a prime (445241443) 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, 32458 + ... + 44090.

It is an arithmetic number, because the mean of its divisors is an integer number (55668690).

Almost surely, 2^445241442 is an apocalyptic number.

445241442 is an abundant number, since it is smaller than the sum of its proper divisors (445457598).

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

445241442 is a wasteful number, since it uses less digits than its factorization.

445241442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18017.

The product of its digits is 20480, while the sum is 30.

The square root of 445241442 is about 21100.7450579358. The cubic root of 445241442 is about 763.5987231937.

Adding to 445241442 its reverse (244142544), we get a palindrome (689383986).

The spelling of 445241442 in words is "four hundred forty-five million, two hundred forty-one thousand, four hundred forty-two".