128083345 has 8 divisors (see below), whose sum is σ = 165523176. Its totient is φ = 94584576.

The previous prime is 128083337. The next prime is 128083363. The reversal of 128083345 is 543380821.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3448449 + 124634896 = 1857^2 + 11164^2 .

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 128083345 - 2³ = 128083337 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 128083345.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 985192 + ... + 985321.

It is an arithmetic number, because the mean of its divisors is an integer number (20690397).

Almost surely, 2^128083345 is an apocalyptic number.

It is an amenable number.

128083345 is a deficient number, since it is larger than the sum of its proper divisors (37439831).

128083345 is a wasteful number, since it uses less digits than its factorization.

128083345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1970531.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 128083345 is about 11317.3912630076. The cubic root of 128083345 is about 504.0777796837.

The spelling of 128083345 in words is "one hundred twenty-eight million, eighty-three thousand, three hundred forty-five".