128141485 has 8 divisors (see below), whose sum is σ = 154369656. Its totient is φ = 102113280.

The previous prime is 128141467. The next prime is 128141501. The reversal of 128141485 is 584141821.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 40793769 + 87347716 = 6387^2 + 9346^2 .

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

It is not a de Polignac number, because 128141485 - 2⁷ = 128141357 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 128141485.

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, 48576 + ... + 51145.

It is an arithmetic number, because the mean of its divisors is an integer number (19296207).

Almost surely, 2^128141485 is an apocalyptic number.

It is an amenable number.

128141485 is a deficient number, since it is larger than the sum of its proper divisors (26228171).

128141485 is an equidigital number, since it uses as much as digits as its factorization.

128141485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99983.

The product of its digits is 10240, while the sum is 34.

The square root of 128141485 is about 11319.9595847335. The cubic root of 128141485 is about 504.1540390101.

The spelling of 128141485 in words is "one hundred twenty-eight million, one hundred forty-one thousand, four hundred eighty-five".