144414420457 has 2 divisors, whose sum is σ = 144414420458. Its totient is φ = 144414420456.

The previous prime is 144414420427. The next prime is 144414420529. The reversal of 144414420457 is 754024414441.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82681551936 + 61732868521 = 287544^2 + 248461^2 .

It is an emirp because it is prime and its reverse (754024414441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144414420457 - 2²³ = 144406031849 is a prime.

It is not a weakly prime, because it can be changed into another prime (144414420427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72207210228 + 72207210229.

It is an arithmetic number, because the mean of its divisors is an integer number (72207210229).

Almost surely, 2^144414420457 is an apocalyptic number.

It is an amenable number.

144414420457 is a deficient number, since it is larger than the sum of its proper divisors (1).

144414420457 is an equidigital number, since it uses as much as digits as its factorization.

144414420457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 286720, while the sum is 40.

Adding to 144414420457 its reverse (754024414441), we get a palindrome (898438834898).

The spelling of 144414420457 in words is "one hundred forty-four billion, four hundred fourteen million, four hundred twenty thousand, four hundred fifty-seven".