144201457 has 2 divisors, whose sum is σ = 144201458. Its totient is φ = 144201456.

The previous prime is 144201451. The next prime is 144201493. The reversal of 144201457 is 754102441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87590881 + 56610576 = 9359^2 + 7524^2 .

It is a cyclic number.

It is not a de Polignac number, because 144201457 - 2¹¹ = 144199409 is a prime.

It is a super-3 number, since 3×144201457³ (a number of 25 digits) contains 333 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (144201451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72100728 + 72100729.

It is an arithmetic number, because the mean of its divisors is an integer number (72100729).

Almost surely, 2^144201457 is an apocalyptic number.

It is an amenable number.

144201457 is a deficient number, since it is larger than the sum of its proper divisors (1).

144201457 is an equidigital number, since it uses as much as digits as its factorization.

144201457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 144201457 is about 12008.3911078879. The cubic root of 144201457 is about 524.3925939717.

Adding to 144201457 its reverse (754102441), we get a palindrome (898303898).

It can be divided in two parts, 144 and 201457, that added together give a square (201601 = 449²).

The spelling of 144201457 in words is "one hundred forty-four million, two hundred one thousand, four hundred fifty-seven".