445954 has 4 divisors (see below), whose sum is σ = 668934. Its totient is φ = 222976.

The previous prime is 445943. The next prime is 445967. The reversal of 445954 is 459544.

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

It can be written as a sum of positive squares in only one way, i.e., 416025 + 29929 = 645^2 + 173^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

445954 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111487 + ... + 111490.

2⁴⁴⁵⁹⁵⁴ is an apocalyptic number.

445954 is a deficient number, since it is larger than the sum of its proper divisors (222980).

445954 is a wasteful number, since it uses less digits than its factorization.

445954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222979.

The product of its digits is 14400, while the sum is 31.

The square root of 445954 is about 667.7978736115. The cubic root of 445954 is about 76.4005856885.

The spelling of 445954 in words is "four hundred forty-five thousand, nine hundred fifty-four".