465431645 has 12 divisors (see below), whose sum is σ = 649704924. Its totient is φ = 319152960.

The previous prime is 465431639. The next prime is 465431651. The reversal of 465431645 is 546134564.

It is an interprime number because it is at equal distance from previous prime (465431639) and next prime (465431651).

It can be written as a sum of positive squares in 2 ways, for example, as 50779876 + 414651769 = 7126^2 + 20363^2 .

It is not a de Polignac number, because 465431645 - 2¹² = 465427549 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 465431599 and 465431608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 949616 + ... + 950105.

It is an arithmetic number, because the mean of its divisors is an integer number (54142077).

Almost surely, 2^465431645 is an apocalyptic number.

It is an amenable number.

465431645 is a deficient number, since it is larger than the sum of its proper divisors (184273279).

465431645 is a wasteful number, since it uses less digits than its factorization.

465431645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1899740 (or 1899733 counting only the distinct ones).

The product of its digits is 172800, while the sum is 38.

The square root of 465431645 is about 21573.8648600569. The cubic root of 465431645 is about 774.9707349338.

The spelling of 465431645 in words is "four hundred sixty-five million, four hundred thirty-one thousand, six hundred forty-five".