128144156 has 24 divisors (see below), whose sum is σ = 265127520. Its totient is φ = 53024832.

The previous prime is 128144141. The next prime is 128144161. The reversal of 128144156 is 651441821.

It is a congruent number.

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, 78095 + ... + 79718.

It is an arithmetic number, because the mean of its divisors is an integer number (11046980).

Almost surely, 2^128144156 is an apocalyptic number.

It is an amenable number.

128144156 is an abundant number, since it is smaller than the sum of its proper divisors (136983364).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

128144156 is a wasteful number, since it uses less digits than its factorization.

128144156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157853 (or 157851 counting only the distinct ones).

The product of its digits is 7680, while the sum is 32.

The square root of 128144156 is about 11320.0775615717. The cubic root of 128144156 is about 504.1575418728.

Adding to 128144156 its reverse (651441821), we get a palindrome (779585977).

The spelling of 128144156 in words is "one hundred twenty-eight million, one hundred forty-four thousand, one hundred fifty-six".