1157360143 has 2 divisors, whose sum is σ = 1157360144. Its totient is φ = 1157360142.

The previous prime is 1157360081. The next prime is 1157360173. The reversal of 1157360143 is 3410637511.

It is a strong prime.

It is an emirp because it is prime and its reverse (3410637511) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1157360143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1157360173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578680071 + 578680072.

It is an arithmetic number, because the mean of its divisors is an integer number (578680072).

Almost surely, 2^1157360143 is an apocalyptic number.

1157360143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1157360143 is an equidigital number, since it uses as much as digits as its factorization.

1157360143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 1157360143 is about 34019.9962228099. The cubic root of 1157360143 is about 1049.9199161899.

Adding to 1157360143 its reverse (3410637511), we get a palindrome (4567997654).

The spelling of 1157360143 in words is "one billion, one hundred fifty-seven million, three hundred sixty thousand, one hundred forty-three".