238151143 has 2 divisors, whose sum is σ = 238151144. Its totient is φ = 238151142.

The previous prime is 238151119. The next prime is 238151159. The reversal of 238151143 is 341151832.

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-238151143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (238131143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119075571 + 119075572.

It is an arithmetic number, because the mean of its divisors is an integer number (119075572).

Almost surely, 2^238151143 is an apocalyptic number.

238151143 is a deficient number, since it is larger than the sum of its proper divisors (1).

238151143 is an equidigital number, since it uses as much as digits as its factorization.

238151143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 28.

The square root of 238151143 is about 15432.1464158425. The cubic root of 238151143 is about 619.8466000997.

The spelling of 238151143 in words is "two hundred thirty-eight million, one hundred fifty-one thousand, one hundred forty-three".