1142160277 has 2 divisors, whose sum is σ = 1142160278. Its totient is φ = 1142160276.

The previous prime is 1142160241. The next prime is 1142160307. The reversal of 1142160277 is 7720612411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1106626756 + 35533521 = 33266^2 + 5961^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1142160277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1142160577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571080138 + 571080139.

It is an arithmetic number, because the mean of its divisors is an integer number (571080139).

Almost surely, 2^1142160277 is an apocalyptic number.

It is an amenable number.

1142160277 is a deficient number, since it is larger than the sum of its proper divisors (1).

1142160277 is an equidigital number, since it uses as much as digits as its factorization.

1142160277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 1142160277 is about 33795.8618324788. The cubic root of 1142160277 is about 1045.3033701753.

Adding to 1142160277 its reverse (7720612411), we get a palindrome (8862772688).

The spelling of 1142160277 in words is "one billion, one hundred forty-two million, one hundred sixty thousand, two hundred seventy-seven".