445136815 has 8 divisors (see below), whose sum is σ = 534586320. Its totient is φ = 355828032.

The previous prime is 445136803. The next prime is 445136819. The reversal of 445136815 is 518631544.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 445136815 - 2¹³ = 445128623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445136819) by changing a digit.

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, 28089 + ... + 40978.

It is an arithmetic number, because the mean of its divisors is an integer number (66823290).

Almost surely, 2^445136815 is an apocalyptic number.

445136815 is a deficient number, since it is larger than the sum of its proper divisors (89449505).

445136815 is a wasteful number, since it uses less digits than its factorization.

445136815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70361.

The product of its digits is 57600, while the sum is 37.

The square root of 445136815 is about 21098.2656870180. The cubic root of 445136815 is about 763.5389059837.

The spelling of 445136815 in words is "four hundred forty-five million, one hundred thirty-six thousand, eight hundred fifteen".