445545115 has 8 divisors (see below), whose sum is σ = 534934368. Its totient is φ = 356249280.

The previous prime is 445545103. The next prime is 445545137. The reversal of 445545115 is 511545544.

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

It is not a de Polignac number, because 445545115 - 2¹⁷ = 445414043 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12391 + ... + 32320.

It is an arithmetic number, because the mean of its divisors is an integer number (66866796).

Almost surely, 2^445545115 is an apocalyptic number.

445545115 is a deficient number, since it is larger than the sum of its proper divisors (89389253).

445545115 is a wasteful number, since it uses less digits than its factorization.

445545115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46709.

The product of its digits is 40000, while the sum is 34.

The square root of 445545115 is about 21107.9396199629. The cubic root of 445545115 is about 763.7722856663.

The spelling of 445545115 in words is "four hundred forty-five million, five hundred forty-five thousand, one hundred fifteen".