445442794 has 16 divisors (see below), whose sum is σ = 700732800. Its totient is φ = 211962960.

The previous prime is 445442791. The next prime is 445442827. The reversal of 445442794 is 497244544.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 445442794.

It is not an unprimeable number, because it can be changed into a prime (445442791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15177 + ... + 33484.

It is an arithmetic number, because the mean of its divisors is an integer number (43795800).

Almost surely, 2^445442794 is an apocalyptic number.

445442794 is a deficient number, since it is larger than the sum of its proper divisors (255290006).

445442794 is a wasteful number, since it uses less digits than its factorization.

445442794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48885.

The product of its digits is 645120, while the sum is 43.

The square root of 445442794 is about 21105.5157245683. The cubic root of 445442794 is about 763.7138135276.

The spelling of 445442794 in words is "four hundred forty-five million, four hundred forty-two thousand, seven hundred ninety-four".