445052454 has 64 divisors (see below), whose sum is σ = 1112348160. Its totient is φ = 115326720.

The previous prime is 445052449. The next prime is 445052477. The reversal of 445052454 is 454250544.

It is a super-2 number, since 2×445052454² = 396143373622844232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 262032 + ... + 263724.

It is an arithmetic number, because the mean of its divisors is an integer number (17380440).

Almost surely, 2^445052454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 445052454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (556174080).

445052454 is an abundant number, since it is smaller than the sum of its proper divisors (667295706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

445052454 is a wasteful number, since it uses less digits than its factorization.

445052454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2285.

The product of its (nonzero) digits is 64000, while the sum is 33.

The square root of 445052454 is about 21096.2663521297. The cubic root of 445052454 is about 763.4906683985.

The spelling of 445052454 in words is "four hundred forty-five million, fifty-two thousand, four hundred fifty-four".