445441542 has 64 divisors (see below), whose sum is σ = 1131884544. Its totient is φ = 113685120.

The previous prime is 445441523. The next prime is 445441553. The reversal of 445441542 is 245144544.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 3768 + ... + 30084.

It is an arithmetic number, because the mean of its divisors is an integer number (17685696).

Almost surely, 2^445441542 is an apocalyptic number.

445441542 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 445441542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (565942272).

445441542 is an abundant number, since it is smaller than the sum of its proper divisors (686443002).

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

445441542 is a wasteful number, since it uses less digits than its factorization.

445441542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26373.

The product of its digits is 51200, while the sum is 33.

The square root of 445441542 is about 21105.4860640545. The cubic root of 445441542 is about 763.7130980069.

The spelling of 445441542 in words is "four hundred forty-five million, four hundred forty-one thousand, five hundred forty-two".