450512465 has 8 divisors (see below), whose sum is σ = 582200808. Its totient is φ = 332686080.

The previous prime is 450512459. The next prime is 450512471. The reversal of 450512465 is 564215054.

It is an interprime number because it is at equal distance from previous prime (450512459) and next prime (450512471).

It can be written as a sum of positive squares in 4 ways, for example, as 54289 + 450458176 = 233^2 + 21224^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-450512465 is a prime.

It is a super-2 number, since 2×450512465² = 405922962240752450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3465416 + ... + 3465545.

It is an arithmetic number, because the mean of its divisors is an integer number (72775101).

Almost surely, 2^450512465 is an apocalyptic number.

It is an amenable number.

450512465 is a deficient number, since it is larger than the sum of its proper divisors (131688343).

450512465 is a wasteful number, since it uses less digits than its factorization.

450512465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6930979.

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 450512465 is about 21225.2789145396. The cubic root of 450512465 is about 766.6002159377.

The spelling of 450512465 in words is "four hundred fifty million, five hundred twelve thousand, four hundred sixty-five".