128043150145 has 4 divisors (see below), whose sum is σ = 153651780180. Its totient is φ = 102434520112.

The previous prime is 128043150127. The next prime is 128043150223. The reversal of 128043150145 is 541051340821.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14552320689 + 113490829456 = 120633^2 + 336884^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-128043150145 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 128043150145.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12804315010 + ... + 12804315019.

It is an arithmetic number, because the mean of its divisors is an integer number (38412945045).

Almost surely, 2^128043150145 is an apocalyptic number.

It is an amenable number.

128043150145 is a deficient number, since it is larger than the sum of its proper divisors (25608630035).

128043150145 is an equidigital number, since it uses as much as digits as its factorization.

128043150145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25608630034.

The product of its (nonzero) digits is 19200, while the sum is 34.

Adding to 128043150145 its reverse (541051340821), we get a palindrome (669094490966).

The spelling of 128043150145 in words is "one hundred twenty-eight billion, forty-three million, one hundred fifty thousand, one hundred forty-five".