235155143 has 2 divisors, whose sum is σ = 235155144. Its totient is φ = 235155142.

The previous prime is 235155043. The next prime is 235155149. The reversal of 235155143 is 341551532.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 235155143 - 2²⁴ = 218377927 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (235155149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117577571 + 117577572.

It is an arithmetic number, because the mean of its divisors is an integer number (117577572).

Almost surely, 2^235155143 is an apocalyptic number.

235155143 is a deficient number, since it is larger than the sum of its proper divisors (1).

235155143 is an equidigital number, since it uses as much as digits as its factorization.

235155143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9000, while the sum is 29.

The square root of 235155143 is about 15334.7690885778. The cubic root of 235155143 is about 617.2363491706.

The spelling of 235155143 in words is "two hundred thirty-five million, one hundred fifty-five thousand, one hundred forty-three".