1424144257 has 2 divisors, whose sum is σ = 1424144258. Its totient is φ = 1424144256.

The previous prime is 1424144251. The next prime is 1424144261. The reversal of 1424144257 is 7524414241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1290533776 + 133610481 = 35924^2 + 11559^2 .

It is a cyclic number.

It is not a de Polignac number, because 1424144257 - 2¹⁵ = 1424111489 is a prime.

It is not a weakly prime, because it can be changed into another prime (1424144251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712072128 + 712072129.

It is an arithmetic number, because the mean of its divisors is an integer number (712072129).

Almost surely, 2^1424144257 is an apocalyptic number.

It is an amenable number.

1424144257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1424144257 is an equidigital number, since it uses as much as digits as its factorization.

1424144257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35840, while the sum is 34.

The square root of 1424144257 is about 37737.8358812479. The cubic root of 1424144257 is about 1125.0832549415.

Adding to 1424144257 its reverse (7524414241), we get a palindrome (8948558498).

The spelling of 1424144257 in words is "one billion, four hundred twenty-four million, one hundred forty-four thousand, two hundred fifty-seven".