445068794 has 4 divisors (see below), whose sum is σ = 667603194. Its totient is φ = 222534396.

The previous prime is 445068769. The next prime is 445068821. The reversal of 445068794 is 497860544.

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., 373919569 + 71149225 = 19337^2 + 8435^2 .

It is a super-2 number, since 2×445068794² = 396172462785228872, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111267197 + ... + 111267200.

Almost surely, 2^445068794 is an apocalyptic number.

445068794 is a deficient number, since it is larger than the sum of its proper divisors (222534400).

445068794 is a wasteful number, since it uses less digits than its factorization.

445068794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222534399.

The product of its (nonzero) digits is 967680, while the sum is 47.

The square root of 445068794 is about 21096.6536208945. The cubic root of 445068794 is about 763.5000120797.

The spelling of 445068794 in words is "four hundred forty-five million, sixty-eight thousand, seven hundred ninety-four".