445550002 has 4 divisors (see below), whose sum is σ = 668325006. Its totient is φ = 222775000.

The previous prime is 445549999. The next prime is 445550009. The reversal of 445550002 is 200055544.

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., 342953361 + 102596641 = 18519^2 + 10129^2 .

It is not an unprimeable number, because it can be changed into a prime (445550009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111387499 + ... + 111387502.

Almost surely, 2^445550002 is an apocalyptic number.

445550002 is a deficient number, since it is larger than the sum of its proper divisors (222775004).

445550002 is a wasteful number, since it uses less digits than its factorization.

445550002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222775003.

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 445550002 is about 21108.0553817731. The cubic root of 445550002 is about 763.7750781568.

The spelling of 445550002 in words is "four hundred forty-five million, five hundred fifty thousand, two".