144234457 has 2 divisors, whose sum is σ = 144234458. Its totient is φ = 144234456.

The previous prime is 144234437. The next prime is 144234463. The reversal of 144234457 is 754432441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116186841 + 28047616 = 10779^2 + 5296^2 .

It is a cyclic number.

It is not a de Polignac number, because 144234457 - 2²³ = 135845849 is a prime.

It is not a weakly prime, because it can be changed into another prime (144234437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72117228 + 72117229.

It is an arithmetic number, because the mean of its divisors is an integer number (72117229).

Almost surely, 2^144234457 is an apocalyptic number.

It is an amenable number.

144234457 is a deficient number, since it is larger than the sum of its proper divisors (1).

144234457 is an equidigital number, since it uses as much as digits as its factorization.

144234457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53760, while the sum is 34.

The square root of 144234457 is about 12009.7650684766. The cubic root of 144234457 is about 524.4325927254.

Adding to 144234457 its reverse (754432441), we get a palindrome (898666898).

It can be divided in two parts, 1442344 and 57, that added together give a square (1442401 = 1201²).

The spelling of 144234457 in words is "one hundred forty-four million, two hundred thirty-four thousand, four hundred fifty-seven".