28144154453 has 8 divisors (see below), whose sum is σ = 30127552800. Its totient is φ = 26210968848.

The previous prime is 28144154443. The next prime is 28144154461. The reversal of 28144154453 is 35445144182.

It is a happy number.

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 28144154453 - 2³² = 23849187157 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 28144154453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28144154413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12552026 + ... + 12554267.

It is an arithmetic number, because the mean of its divisors is an integer number (3765944100).

Almost surely, 2^28144154453 is an apocalyptic number.

It is an amenable number.

28144154453 is a deficient number, since it is larger than the sum of its proper divisors (1983398347).

28144154453 is a wasteful number, since it uses less digits than its factorization.

28144154453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25106371.

The product of its digits is 307200, while the sum is 41.

The spelling of 28144154453 in words is "twenty-eight billion, one hundred forty-four million, one hundred fifty-four thousand, four hundred fifty-three".