128453 has 8 divisors (see below), whose sum is σ = 142296. Its totient is φ = 115200.

The previous prime is 128449. The next prime is 128461. The reversal of 128453 is 354821.

It can be written as a sum of positive squares in 4 ways, for example, as 289 + 128164 = 17^2 + 358^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 128453 - 2² = 128449 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 413 + ... + 653.

It is an arithmetic number, because the mean of its divisors is an integer number (17787).

128453 is a Friedman number, since it can be written as 41*(8+(3+2)^5), using all its digits and the basic arithmetic operations.

2¹²⁸⁴⁵³ is an apocalyptic number.

128453 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

128453 is a deficient number, since it is larger than the sum of its proper divisors (13843).

128453 is a wasteful number, since it uses less digits than its factorization.

128453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295.

The product of its digits is 960, while the sum is 23.

The square root of 128453 is about 358.4034040017. The cubic root of 128453 is about 50.4562245225.

The spelling of 128453 in words is "one hundred twenty-eight thousand, four hundred fifty-three".