445741047 has 12 divisors (see below), whose sum is σ = 654761640. Its totient is φ = 292123728.

The previous prime is 445741031. The next prime is 445741123. The reversal of 445741047 is 740147544.

It is a happy number.

445741047 is a `hidden beast` number, since 44 + 574 + 1 + 0 + 47 = 666.

It is not a de Polignac number, because 445741047 - 2⁴ = 445741031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445740047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 419188 + ... + 420249.

It is an arithmetic number, because the mean of its divisors is an integer number (54563470).

Almost surely, 2^445741047 is an apocalyptic number.

445741047 is a deficient number, since it is larger than the sum of its proper divisors (209020593).

445741047 is a wasteful number, since it uses less digits than its factorization.

445741047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839502 (or 839499 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 36.

The square root of 445741047 is about 21112.5803018011. The cubic root of 445741047 is about 763.8842275667.

The spelling of 445741047 in words is "four hundred forty-five million, seven hundred forty-one thousand, forty-seven".