445257211706 has 4 divisors (see below), whose sum is σ = 667885817562. Its totient is φ = 222628605852.

The previous prime is 445257211673. The next prime is 445257211717. The reversal of 445257211706 is 607112752544.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 438653211481 + 6604000225 = 662309^2 + 81265^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111314302925 + ... + 111314302928.

Almost surely, 2^445257211706 is an apocalyptic number.

445257211706 is a deficient number, since it is larger than the sum of its proper divisors (222628605856).

445257211706 is a wasteful number, since it uses less digits than its factorization.

445257211706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222628605855.

The product of its (nonzero) digits is 470400, while the sum is 44.

The spelling of 445257211706 in words is "four hundred forty-five billion, two hundred fifty-seven million, two hundred eleven thousand, seven hundred six".