445957 has 8 divisors (see below), whose sum is σ = 466200. Its totient is φ = 426240.

The previous prime is 445943. The next prime is 445967. The reversal of 445957 is 759544.

It can be written as a sum of positive squares in 4 ways, for example, as 2401 + 443556 = 49^2 + 666^2 .

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 445957 - 2⁷ = 445829 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445937) 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, 2919 + ... + 3067.

It is an arithmetic number, because the mean of its divisors is an integer number (58275).

2⁴⁴⁵⁹⁵⁷ is an apocalyptic number.

It is an amenable number.

445957 is a deficient number, since it is larger than the sum of its proper divisors (20243).

445957 is a wasteful number, since it uses less digits than its factorization.

445957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263.

The product of its digits is 25200, while the sum is 34.

The square root of 445957 is about 667.8001197963. The cubic root of 445957 is about 76.4007570076.

The spelling of 445957 in words is "four hundred forty-five thousand, nine hundred fifty-seven".