445053 has 8 divisors (see below), whose sum is σ = 678208. Its totient is φ = 254304.

The previous prime is 445033. The next prime is 445069. The reversal of 445053 is 350544.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 445053 - 2⁵ = 445021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 21193 = 445053 / (4 + 4 + 5 + 0 + 5 + 3).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 445053.

It is not an unprimeable number, because it can be changed into a prime (445033) 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, 10576 + ... + 10617.

It is an arithmetic number, because the mean of its divisors is an integer number (84776).

2⁴⁴⁵⁰⁵³ is an apocalyptic number.

It is an amenable number.

445053 is a deficient number, since it is larger than the sum of its proper divisors (233155).

445053 is a wasteful number, since it uses less digits than its factorization.

445053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21203.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 445053 is about 667.1229272031. The cubic root of 445053 is about 76.3490980621.

Adding to 445053 its reverse (350544), we get a palindrome (795597).

The spelling of 445053 in words is "four hundred forty-five thousand, fifty-three".