445085057 has 4 divisors (see below), whose sum is σ = 445241280. Its totient is φ = 444928836.

The previous prime is 445085027. The next prime is 445085059. The reversal of 445085057 is 750580544.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 445085057 - 2⁶ = 445084993 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 445085057.

It is not an unprimeable number, because it can be changed into a prime (445085059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73757 + ... + 79562.

It is an arithmetic number, because the mean of its divisors is an integer number (111310320).

Almost surely, 2^445085057 is an apocalyptic number.

It is an amenable number.

445085057 is a deficient number, since it is larger than the sum of its proper divisors (156223).

445085057 is a wasteful number, since it uses less digits than its factorization.

445085057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156222.

The product of its (nonzero) digits is 112000, while the sum is 38.

The square root of 445085057 is about 21097.0390576498. The cubic root of 445085057 is about 763.5093115031.

The spelling of 445085057 in words is "four hundred forty-five million, eighty-five thousand, fifty-seven".