445550313 has 8 divisors (see below), whose sum is σ = 639764608. Its totient is φ = 274184784.

The previous prime is 445550309. The next prime is 445550341. The reversal of 445550313 is 313055544.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 445550313 - 2² = 445550309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445550353) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5712145 + ... + 5712222.

It is an arithmetic number, because the mean of its divisors is an integer number (79970576).

Almost surely, 2^445550313 is an apocalyptic number.

It is an amenable number.

445550313 is a deficient number, since it is larger than the sum of its proper divisors (194214295).

445550313 is a wasteful number, since it uses less digits than its factorization.

445550313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11424383.

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 445550313 is about 21108.0627486276. The cubic root of 445550313 is about 763.7752558653.

The spelling of 445550313 in words is "four hundred forty-five million, five hundred fifty thousand, three hundred thirteen".