445554463 has 4 divisors (see below), whose sum is σ = 460918440. Its totient is φ = 430190488.

The previous prime is 445554437. The next prime is 445554491. The reversal of 445554463 is 364455544.

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

It is a cyclic number.

It is not a de Polignac number, because 445554463 - 2⁹ = 445553951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445554493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7681945 + ... + 7682002.

It is an arithmetic number, because the mean of its divisors is an integer number (115229610).

Almost surely, 2^445554463 is an apocalyptic number.

445554463 is a deficient number, since it is larger than the sum of its proper divisors (15363977).

445554463 is a wasteful number, since it uses less digits than its factorization.

445554463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15363976.

The product of its digits is 576000, while the sum is 40.

The square root of 445554463 is about 21108.1610520670. The cubic root of 445554463 is about 763.7776272080. Note that the first 3 decimals are identical.

The spelling of 445554463 in words is "four hundred forty-five million, five hundred fifty-four thousand, four hundred sixty-three".