1145013143 has 2 divisors, whose sum is σ = 1145013144. Its totient is φ = 1145013142.

The previous prime is 1145013097. The next prime is 1145013151. The reversal of 1145013143 is 3413105411.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1145013143 is a prime.

It is a super-2 number, since 2×1145013143² = 2622110195285476898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1145013173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572506571 + 572506572.

It is an arithmetic number, because the mean of its divisors is an integer number (572506572).

Almost surely, 2^1145013143 is an apocalyptic number.

1145013143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145013143 is an equidigital number, since it uses as much as digits as its factorization.

1145013143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1145013143 is about 33838.0428364289. The cubic root of 1145013143 is about 1046.1729594551.

Adding to 1145013143 its reverse (3413105411), we get a palindrome (4558118554).

The spelling of 1145013143 in words is "one billion, one hundred forty-five million, thirteen thousand, one hundred forty-three".