445450554 has 48 divisors (see below), whose sum is σ = 1018068480. Its totient is φ = 140374080.

The previous prime is 445450529. The next prime is 445450597. The reversal of 445450554 is 455054544.

445450554 is a `hidden beast` number, since 4 + 4 + 54 + 50 + 554 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 209959 + ... + 212069.

It is an arithmetic number, because the mean of its divisors is an integer number (21209760).

Almost surely, 2^445450554 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 445450554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (509034240).

445450554 is an abundant number, since it is smaller than the sum of its proper divisors (572617926).

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

445450554 is a wasteful number, since it uses less digits than its factorization.

445450554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2755 (or 2752 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 36.

The square root of 445450554 is about 21105.6995619667. The cubic root of 445450554 is about 763.7182483543.

The spelling of 445450554 in words is "four hundred forty-five million, four hundred fifty thousand, five hundred fifty-four".