1142320159 has 2 divisors, whose sum is σ = 1142320160. Its totient is φ = 1142320158.

The previous prime is 1142320103. The next prime is 1142320177. The reversal of 1142320159 is 9510232411.

It is a strong prime.

It is an emirp because it is prime and its reverse (9510232411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1142320159 - 2⁷ = 1142320031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1142320189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571160079 + 571160080.

It is an arithmetic number, because the mean of its divisors is an integer number (571160080).

Almost surely, 2^1142320159 is an apocalyptic number.

1142320159 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142320159 is an equidigital number, since it uses as much as digits as its factorization.

1142320159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 1142320159 is about 33798.2271576484. The cubic root of 1142320159 is about 1045.3521424884.

The spelling of 1142320159 in words is "one billion, one hundred forty-two million, three hundred twenty thousand, one hundred fifty-nine".