1142523089 has 2 divisors, whose sum is σ = 1142523090. Its totient is φ = 1142523088.

The previous prime is 1142523017. The next prime is 1142523113. The reversal of 1142523089 is 9803252411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 615040000 + 527483089 = 24800^2 + 22967^2 .

It is a cyclic number.

It is not a de Polignac number, because 1142523089 - 2⁸ = 1142522833 is a prime.

It is not a weakly prime, because it can be changed into another prime (1142523289) 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, 571261544 + 571261545.

It is an arithmetic number, because the mean of its divisors is an integer number (571261545).

Almost surely, 2^1142523089 is an apocalyptic number.

It is an amenable number.

1142523089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142523089 is an equidigital number, since it uses as much as digits as its factorization.

1142523089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 1142523089 is about 33801.2291048713. The cubic root of 1142523089 is about 1045.4140401237.

The spelling of 1142523089 in words is "one billion, one hundred forty-two million, five hundred twenty-three thousand, eighty-nine".