445715797 has 4 divisors (see below), whose sum is σ = 456586956. Its totient is φ = 434844640.

The previous prime is 445715791. The next prime is 445715821. The reversal of 445715797 is 797517544.

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

It can be written as a sum of positive squares in 2 ways, for example, as 58767556 + 386948241 = 7666^2 + 19671^2 .

It is a cyclic number.

It is not a de Polignac number, because 445715797 - 2³ = 445715789 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 445715797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445715791) 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 3 ways as a sum of consecutive naturals, for example, 5435518 + ... + 5435599.

It is an arithmetic number, because the mean of its divisors is an integer number (114146739).

Almost surely, 2^445715797 is an apocalyptic number.

It is an amenable number.

445715797 is a deficient number, since it is larger than the sum of its proper divisors (10871159).

445715797 is a wasteful number, since it uses less digits than its factorization.

445715797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10871158.

The product of its digits is 1234800, while the sum is 49.

The square root of 445715797 is about 21111.9823086322. The cubic root of 445715797 is about 763.8698033166.

The spelling of 445715797 in words is "four hundred forty-five million, seven hundred fifteen thousand, seven hundred ninety-seven".