445915965 has 32 divisors (see below), whose sum is σ = 780950016. Its totient is φ = 215472960.

The previous prime is 445915963. The next prime is 445915969. The reversal of 445915965 is 569519544.

It is not a de Polignac number, because 445915965 - 2¹ = 445915963 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445915963) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46254 + ... + 55056.

It is an arithmetic number, because the mean of its divisors is an integer number (24404688).

Almost surely, 2^445915965 is an apocalyptic number.

It is an amenable number.

445915965 is a deficient number, since it is larger than the sum of its proper divisors (335034051).

445915965 is a wasteful number, since it uses less digits than its factorization.

445915965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9129.

The product of its digits is 972000, while the sum is 48.

The square root of 445915965 is about 21116.7224019259. The cubic root of 445915965 is about 763.9841358191.

The spelling of 445915965 in words is "four hundred forty-five million, nine hundred fifteen thousand, nine hundred sixty-five".