445210242 has 32 divisors (see below), whose sum is σ = 938347200. Its totient is φ = 140433408.

The previous prime is 445210231. The next prime is 445210279. The reversal of 445210242 is 242012544.

It is a happy number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 137134 + ... + 140342.

It is an arithmetic number, because the mean of its divisors is an integer number (29323350).

Almost surely, 2^445210242 is an apocalyptic number.

445210242 is an abundant number, since it is smaller than the sum of its proper divisors (493136958).

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

445210242 is a wasteful number, since it uses less digits than its factorization.

445210242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4450.

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

The square root of 445210242 is about 21100.0057345964. The cubic root of 445210242 is about 763.5808865516.

Adding to 445210242 its reverse (242012544), we get a palindrome (687222786).

The spelling of 445210242 in words is "four hundred forty-five million, two hundred ten thousand, two hundred forty-two".