1142180453 has 2 divisors, whose sum is σ = 1142180454. Its totient is φ = 1142180452.

The previous prime is 1142180363. The next prime is 1142180527. The reversal of 1142180453 is 3540812411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 991431169 + 150749284 = 31487^2 + 12278^2 .

It is a cyclic number.

It is not a de Polignac number, because 1142180453 - 2¹⁰ = 1142179429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1142780453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571090226 + 571090227.

It is an arithmetic number, because the mean of its divisors is an integer number (571090227).

Almost surely, 2^1142180453 is an apocalyptic number.

It is an amenable number.

1142180453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142180453 is an equidigital number, since it uses as much as digits as its factorization.

1142180453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 1142180453 is about 33796.1603292445. The cubic root of 1142180453 is about 1045.3095251541.

Adding to 1142180453 its reverse (3540812411), we get a palindrome (4682992864).

The spelling of 1142180453 in words is "one billion, one hundred forty-two million, one hundred eighty thousand, four hundred fifty-three".