445455542 has 16 divisors (see below), whose sum is σ = 764467200. Its totient is φ = 190702248.

The previous prime is 445455511. The next prime is 445455553. The reversal of 445455542 is 245554544.

It is a junction number, because it is equal to n+sod(n) for n = 445455496 and 445455505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3542 + ... + 30057.

It is an arithmetic number, because the mean of its divisors is an integer number (47779200).

Almost surely, 2^445455542 is an apocalyptic number.

445455542 is a deficient number, since it is larger than the sum of its proper divisors (319011658).

445455542 is a wasteful number, since it uses less digits than its factorization.

445455542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34555.

The product of its digits is 320000, while the sum is 38.

The square root of 445455542 is about 21105.8177287685. The cubic root of 445455542 is about 763.7210989606.

The spelling of 445455542 in words is "four hundred forty-five million, four hundred fifty-five thousand, five hundred forty-two".