144048257 has 4 divisors (see below), whose sum is σ = 144283860. Its totient is φ = 143812656.

The previous prime is 144048197. The next prime is 144048263. The reversal of 144048257 is 752840441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38390416 + 105657841 = 6196^2 + 10279^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144048257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144041257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116882 + ... + 118107.

It is an arithmetic number, because the mean of its divisors is an integer number (36070965).

Almost surely, 2^144048257 is an apocalyptic number.

It is an amenable number.

144048257 is a deficient number, since it is larger than the sum of its proper divisors (235603).

144048257 is an equidigital number, since it uses as much as digits as its factorization.

144048257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235602.

The product of its (nonzero) digits is 35840, while the sum is 35.

The square root of 144048257 is about 12002.0105399054. The cubic root of 144048257 is about 524.2068228199.

Adding to 144048257 its reverse (752840441), we get a palindrome (896888698).

The spelling of 144048257 in words is "one hundred forty-four million, forty-eight thousand, two hundred fifty-seven".