1342543453 has 2 divisors, whose sum is σ = 1342543454. Its totient is φ = 1342543452.

The previous prime is 1342543399. The next prime is 1342543457. The reversal of 1342543453 is 3543452431.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 685287684 + 657255769 = 26178^2 + 25637^2 .

It is a cyclic number.

It is not a de Polignac number, because 1342543453 - 2⁹ = 1342542941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1342543457) 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, 671271726 + 671271727.

It is an arithmetic number, because the mean of its divisors is an integer number (671271727).

Almost surely, 2^1342543453 is an apocalyptic number.

It is an amenable number.

1342543453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342543453 is an equidigital number, since it uses as much as digits as its factorization.

1342543453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86400, while the sum is 34.

The square root of 1342543453 is about 36640.7348861892. The cubic root of 1342543453 is about 1103.1708654653.

Adding to 1342543453 its reverse (3543452431), we get a palindrome (4885995884).

The spelling of 1342543453 in words is "one billion, three hundred forty-two million, five hundred forty-three thousand, four hundred fifty-three".