450164605 has 16 divisors (see below), whose sum is σ = 590804928. Its totient is φ = 326560000.

The previous prime is 450164599. The next prime is 450164633. The reversal of 450164605 is 506461054.

It is a de Polignac number, because none of the positive numbers 2^k-450164605 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11850 + ... + 32260.

It is an arithmetic number, because the mean of its divisors is an integer number (36925308).

Almost surely, 2^450164605 is an apocalyptic number.

It is an amenable number.

450164605 is a deficient number, since it is larger than the sum of its proper divisors (140640323).

450164605 is a wasteful number, since it uses less digits than its factorization.

450164605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20828.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 450164605 is about 21217.0828579237. The cubic root of 450164605 is about 766.4028568285.

The spelling of 450164605 in words is "four hundred fifty million, one hundred sixty-four thousand, six hundred five".