128332145 has 8 divisors (see below), whose sum is σ = 156168000. Its totient is φ = 101219440.

The previous prime is 128332117. The next prime is 128332159. The reversal of 128332145 is 541233821.

It is a happy number.

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

It is not a de Polignac number, because 128332145 - 2¹⁰ = 128331121 is a prime.

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, 180395 + ... + 181104.

It is an arithmetic number, because the mean of its divisors is an integer number (19521000).

Almost surely, 2^128332145 is an apocalyptic number.

It is an amenable number.

128332145 is a deficient number, since it is larger than the sum of its proper divisors (27835855).

128332145 is an equidigital number, since it uses as much as digits as its factorization.

128332145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361575.

The product of its digits is 5760, while the sum is 29.

The square root of 128332145 is about 11328.3778626951. The cubic root of 128332145 is about 504.4039564498.

Adding to 128332145 its reverse (541233821), we get a palindrome (669565966).

The spelling of 128332145 in words is "one hundred twenty-eight million, three hundred thirty-two thousand, one hundred forty-five".