445355 has 4 divisors (see below), whose sum is σ = 534432. Its totient is φ = 356280.

The previous prime is 445339. The next prime is 445363. The reversal of 445355 is 553544.

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

It is not a de Polignac number, because 445355 - 2⁴ = 445339 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44531 + ... + 44540.

It is an arithmetic number, because the mean of its divisors is an integer number (133608).

2⁴⁴⁵³⁵⁵ is an apocalyptic number.

445355 is a deficient number, since it is larger than the sum of its proper divisors (89077).

445355 is an equidigital number, since it uses as much as digits as its factorization.

445355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89076.

The product of its digits is 6000, while the sum is 26.

The square root of 445355 is about 667.3492339098. The cubic root of 445355 is about 76.3663635819.

Adding to 445355 its reverse (553544), we get a palindrome (998899).

The spelling of 445355 in words is "four hundred forty-five thousand, three hundred fifty-five".