144928442 has 8 divisors (see below), whose sum is σ = 217658016. Its totient is φ = 72375772.

The previous prime is 144928403. The next prime is 144928453. The reversal of 144928442 is 244829441.

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

It is a junction number, because it is equal to n+sod(n) for n = 144928396 and 144928405.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42158 + ... + 45465.

It is an arithmetic number, because the mean of its divisors is an integer number (27207252).

Almost surely, 2^144928442 is an apocalyptic number.

144928442 is a deficient number, since it is larger than the sum of its proper divisors (72729574).

144928442 is an equidigital number, since it uses as much as digits as its factorization.

144928442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88452.

The product of its digits is 73728, while the sum is 38.

The square root of 144928442 is about 12038.6229278934. The cubic root of 144928442 is about 525.2723509045.

Subtracting 144928442 from its reverse (244829441), we obtain a palindrome (99900999).

The spelling of 144928442 in words is "one hundred forty-four million, nine hundred twenty-eight thousand, four hundred forty-two".