330605645 has 8 divisors (see below), whose sum is σ = 397579104. Its totient is φ = 263916304.

The previous prime is 330605633. The next prime is 330605659. The reversal of 330605645 is 546506033.

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

It is a cyclic number.

It is not a de Polignac number, because 330605645 - 2⁶ = 330605581 is a prime.

It is a super-3 number, since 3×330605645³ (a number of 27 digits) contains 333 as substring.

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 7 ways as a sum of consecutive naturals, for example, 68459 + ... + 73128.

It is an arithmetic number, because the mean of its divisors is an integer number (49697388).

Almost surely, 2^330605645 is an apocalyptic number.

It is an amenable number.

330605645 is a deficient number, since it is larger than the sum of its proper divisors (66973459).

330605645 is a wasteful number, since it uses less digits than its factorization.

330605645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142059.

The product of its (nonzero) digits is 32400, while the sum is 32.

The square root of 330605645 is about 18182.5643130995. The cubic root of 330605645 is about 691.4648185059.

The spelling of 330605645 in words is "three hundred thirty million, six hundred five thousand, six hundred forty-five".