355112143 has 2 divisors, whose sum is σ = 355112144. Its totient is φ = 355112142.

The previous prime is 355112141. The next prime is 355112159. The reversal of 355112143 is 341211553.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 355112143 - 2¹ = 355112141 is a prime.

It is a super-2 number, since 2×355112143² = 252209268212104898, which contains 22 as substring.

Together with 355112141, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (355112141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177556071 + 177556072.

It is an arithmetic number, because the mean of its divisors is an integer number (177556072).

Almost surely, 2^355112143 is an apocalyptic number.

355112143 is a deficient number, since it is larger than the sum of its proper divisors (1).

355112143 is an equidigital number, since it uses as much as digits as its factorization.

355112143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1800, while the sum is 25.

The square root of 355112143 is about 18844.4194126537. The cubic root of 355112143 is about 708.1444260195.

Adding to 355112143 its reverse (341211553), we get a palindrome (696323696).

The spelling of 355112143 in words is "three hundred fifty-five million, one hundred twelve thousand, one hundred forty-three".