445357 has 4 divisors (see below), whose sum is σ = 485856. Its totient is φ = 404860.

The previous prime is 445339. The next prime is 445363. The reversal of 445357 is 753544.

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 445357 - 2⁷ = 445229 is a prime.

It is a Duffinian number.

445357 is a lucky 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 (445307) 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, 20233 + ... + 20254.

It is an arithmetic number, because the mean of its divisors is an integer number (121464).

2⁴⁴⁵³⁵⁷ is an apocalyptic number.

It is an amenable number.

445357 is a deficient number, since it is larger than the sum of its proper divisors (40499).

445357 is a wasteful number, since it uses less digits than its factorization.

445357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40498.

The product of its digits is 8400, while the sum is 28.

The square root of 445357 is about 667.3507323739. The cubic root of 445357 is about 76.3664778971.

The spelling of 445357 in words is "four hundred forty-five thousand, three hundred fifty-seven".