383345320545 has 96 divisors (see below), whose sum is σ = 755722598400. Its totient is φ = 184218693120.

The previous prime is 383345320513. The next prime is 383345320559. The reversal of 383345320545 is 545023543383.

383345320545 is a `hidden beast` number, since 3 + 8 + 3 + 34 + 53 + 20 + 545 = 666.

It is not a de Polignac number, because 383345320545 - 2⁵ = 383345320513 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 383345320545.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1742016 + ... + 1949694.

It is an arithmetic number, because the mean of its divisors is an integer number (7872110400).

Almost surely, 2^383345320545 is an apocalyptic number.

It is an amenable number.

383345320545 is a deficient number, since it is larger than the sum of its proper divisors (372377277855).

383345320545 is a wasteful number, since it uses less digits than its factorization.

383345320545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207828 (or 207811 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 45.

The spelling of 383345320545 in words is "three hundred eighty-three billion, three hundred forty-five million, three hundred twenty thousand, five hundred forty-five".