445708057 has 8 divisors (see below), whose sum is σ = 472122216. Its totient is φ = 419315712.

The previous prime is 445708027. The next prime is 445708073. The reversal of 445708057 is 750807544.

It can be written as a sum of positive squares in 4 ways, for example, as 56987401 + 388720656 = 7549^2 + 19716^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 445708057 - 2⁷ = 445707929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445708027) 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, 57433 + ... + 64729.

It is an arithmetic number, because the mean of its divisors is an integer number (59015277).

Almost surely, 2^445708057 is an apocalyptic number.

It is an amenable number.

445708057 is a deficient number, since it is larger than the sum of its proper divisors (26414159).

445708057 is a wasteful number, since it uses less digits than its factorization.

445708057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10907.

The product of its (nonzero) digits is 156800, while the sum is 40.

The square root of 445708057 is about 21111.7989996116. The cubic root of 445708057 is about 763.8653816751.

The spelling of 445708057 in words is "four hundred forty-five million, seven hundred eight thousand, fifty-seven".