1424345557 has 2 divisors, whose sum is σ = 1424345558. Its totient is φ = 1424345556.

The previous prime is 1424345539. The next prime is 1424345569. The reversal of 1424345557 is 7555434241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1275846961 + 148498596 = 35719^2 + 12186^2 .

It is an emirp because it is prime and its reverse (7555434241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1424345557 - 2¹¹ = 1424343509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1424345537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712172778 + 712172779.

It is an arithmetic number, because the mean of its divisors is an integer number (712172779).

Almost surely, 2^1424345557 is an apocalyptic number.

It is an amenable number.

1424345557 is a deficient number, since it is larger than the sum of its proper divisors (1).

1424345557 is an equidigital number, since it uses as much as digits as its factorization.

1424345557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 336000, while the sum is 40.

The square root of 1424345557 is about 37740.5028715835. The cubic root of 1424345557 is about 1125.1362618819.

Adding to 1424345557 its reverse (7555434241), we get a palindrome (8979779798).

The spelling of 1424345557 in words is "one billion, four hundred twenty-four million, three hundred forty-five thousand, five hundred fifty-seven".