465380945 has 8 divisors (see below), whose sum is σ = 558706344. Its totient is φ = 372138624.

The previous prime is 465380939. The next prime is 465380947. The reversal of 465380945 is 549083564.

It can be written as a sum of positive squares in 4 ways, for example, as 93006736 + 372374209 = 9644^2 + 19297^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-465380945 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 465380896 and 465380905.

It is not an unprimeable number, because it can be changed into a prime (465380947) 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, 7694 + ... + 31463.

It is an arithmetic number, because the mean of its divisors is an integer number (69838293).

Almost surely, 2^465380945 is an apocalyptic number.

It is an amenable number.

465380945 is a deficient number, since it is larger than the sum of its proper divisors (93325399).

465380945 is a wasteful number, since it uses less digits than its factorization.

465380945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41539.

The product of its (nonzero) digits is 518400, while the sum is 44.

The square root of 465380945 is about 21572.6897952017. The cubic root of 465380945 is about 774.9425944299.

The spelling of 465380945 in words is "four hundred sixty-five million, three hundred eighty thousand, nine hundred forty-five".