445426047 has 36 divisors (see below), whose sum is σ = 733441800. Its totient is φ = 269937360.

The previous prime is 445426039. The next prime is 445426049. The reversal of 445426047 is 740624544.

445426047 is a `hidden beast` number, since 4 + 4 + 5 + 42 + 604 + 7 = 666.

It is not a de Polignac number, because 445426047 - 2³ = 445426039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445426049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 21829 + ... + 36977.

Almost surely, 2^445426047 is an apocalyptic number.

445426047 is a deficient number, since it is larger than the sum of its proper divisors (288015753).

445426047 is a wasteful number, since it uses less digits than its factorization.

445426047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15186 (or 15163 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 36.

The square root of 445426047 is about 21105.1189762105. The cubic root of 445426047 is about 763.7042424703.

The spelling of 445426047 in words is "four hundred forty-five million, four hundred twenty-six thousand, forty-seven".