7148685143 has 2 divisors, whose sum is σ = 7148685144. Its totient is φ = 7148685142.

The previous prime is 7148685121. The next prime is 7148685149. The reversal of 7148685143 is 3415868417.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7148685143 - 2¹⁸ = 7148422999 is a prime.

It is a super-2 number, since 2×7148685143² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7148685149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3574342571 + 3574342572.

It is an arithmetic number, because the mean of its divisors is an integer number (3574342572).

Almost surely, 2^7148685143 is an apocalyptic number.

7148685143 is a deficient number, since it is larger than the sum of its proper divisors (1).

7148685143 is an equidigital number, since it uses as much as digits as its factorization.

7148685143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 645120, while the sum is 47.

The square root of 7148685143 is about 84549.8973565314. The cubic root of 7148685143 is about 1926.3804248664.

The spelling of 7148685143 in words is "seven billion, one hundred forty-eight million, six hundred eighty-five thousand, one hundred forty-three".