445213310242 has 4 divisors (see below), whose sum is σ = 667819965366. Its totient is φ = 222606655120.

The previous prime is 445213310123. The next prime is 445213310257. The reversal of 445213310242 is 242013312544.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 344617135681 + 100596174561 = 587041^2 + 317169^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111303327559 + ... + 111303327562.

Almost surely, 2^445213310242 is an apocalyptic number.

445213310242 is a deficient number, since it is larger than the sum of its proper divisors (222606655124).

445213310242 is a wasteful number, since it uses less digits than its factorization.

445213310242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222606655123.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 445213310242 its reverse (242013312544), we get a palindrome (687226622786).

The spelling of 445213310242 in words is "four hundred forty-five billion, two hundred thirteen million, three hundred ten thousand, two hundred forty-two".