445538474 has 16 divisors (see below), whose sum is σ = 712205568. Its totient is φ = 208548912.

The previous prime is 445538461. The next prime is 445538501. The reversal of 445538474 is 474835544.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 100877 + ... + 105200.

It is an arithmetic number, because the mean of its divisors is an integer number (44512848).

Almost surely, 2^445538474 is an apocalyptic number.

445538474 is a deficient number, since it is larger than the sum of its proper divisors (266667094).

445538474 is a wasteful number, since it uses less digits than its factorization.

445538474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206149.

The product of its digits is 1075200, while the sum is 44.

The square root of 445538474 is about 21107.7823089021. The cubic root of 445538474 is about 763.7684908864.

The spelling of 445538474 in words is "four hundred forty-five million, five hundred thirty-eight thousand, four hundred seventy-four".