144928747 has 8 divisors (see below), whose sum is σ = 150067440. Its totient is φ = 139799520.

The previous prime is 144928733. The next prime is 144928759. The reversal of 144928747 is 747829441.

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 144928747 - 2¹⁵ = 144895979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144928697 and 144928706.

It is not an unprimeable number, because it can be changed into a prime (144908747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45468 + ... + 48550.

It is an arithmetic number, because the mean of its divisors is an integer number (18758430).

Almost surely, 2^144928747 is an apocalyptic number.

144928747 is a deficient number, since it is larger than the sum of its proper divisors (5138693).

144928747 is a wasteful number, since it uses less digits than its factorization.

144928747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4733.

The product of its digits is 451584, while the sum is 46.

The square root of 144928747 is about 12038.6355954485. The cubic root of 144928747 is about 525.2727193805.

The spelling of 144928747 in words is "one hundred forty-four million, nine hundred twenty-eight thousand, seven hundred forty-seven".