128148155 has 16 divisors (see below), whose sum is σ = 156412704. Its totient is φ = 100776960.

The previous prime is 128148151. The next prime is 128148161. The reversal of 128148155 is 551841821.

It is not a de Polignac number, because 128148155 - 2² = 128148151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128148151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78245 + ... + 79865.

It is an arithmetic number, because the mean of its divisors is an integer number (9775794).

Almost surely, 2^128148155 is an apocalyptic number.

128148155 is a deficient number, since it is larger than the sum of its proper divisors (28264549).

128148155 is a wasteful number, since it uses less digits than its factorization.

128148155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886.

The product of its digits is 12800, while the sum is 35.

The square root of 128148155 is about 11320.2541932591. The cubic root of 128148155 is about 504.1627862400.

Adding to 128148155 its reverse (551841821), we get a palindrome (679989976).

The spelling of 128148155 in words is "one hundred twenty-eight million, one hundred forty-eight thousand, one hundred fifty-five".