445742605 has 16 divisors (see below), whose sum is σ = 666877824. Its totient is φ = 277865280.

The previous prime is 445742579. The next prime is 445742623. The reversal of 445742605 is 506247544.

It is not a de Polignac number, because 445742605 - 2⁷ = 445742477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 578502 + ... + 579271.

It is an arithmetic number, because the mean of its divisors is an integer number (41679864).

Almost surely, 2^445742605 is an apocalyptic number.

It is an amenable number.

445742605 is a deficient number, since it is larger than the sum of its proper divisors (221135219).

445742605 is a wasteful number, since it uses less digits than its factorization.

445742605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157796.

The product of its (nonzero) digits is 134400, while the sum is 37.

The square root of 445742605 is about 21112.6171992011. The cubic root of 445742605 is about 763.8851175679.

The spelling of 445742605 in words is "four hundred forty-five million, seven hundred forty-two thousand, six hundred five".