144830257 has 16 divisors (see below), whose sum is σ = 171819648. Its totient is φ = 120343680.

The previous prime is 144830239. The next prime is 144830267. The reversal of 144830257 is 752038441.

144830257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 144830257 - 2⁷ = 144830129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144830207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9813 + ... + 19645.

It is an arithmetic number, because the mean of its divisors is an integer number (10738728).

Almost surely, 2^144830257 is an apocalyptic number.

It is an amenable number.

144830257 is a deficient number, since it is larger than the sum of its proper divisors (26989391).

144830257 is a wasteful number, since it uses less digits than its factorization.

144830257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9960.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 144830257 is about 12034.5443204136. The cubic root of 144830257 is about 525.1537049574.

Adding to 144830257 its reverse (752038441), we get a palindrome (896868698).

The spelling of 144830257 in words is "one hundred forty-four million, eight hundred thirty thousand, two hundred fifty-seven".