143314291 has 2 divisors, whose sum is σ = 143314292. Its totient is φ = 143314290.

The previous prime is 143314277. The next prime is 143314319. The reversal of 143314291 is 192413341.

143314291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (143314319) can be obtained adding 143314291 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143314291 is a prime.

It is not a weakly prime, because it can be changed into another prime (143311291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71657145 + 71657146.

It is an arithmetic number, because the mean of its divisors is an integer number (71657146).

Almost surely, 2^143314291 is an apocalyptic number.

143314291 is a deficient number, since it is larger than the sum of its proper divisors (1).

143314291 is an equidigital number, since it uses as much as digits as its factorization.

143314291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 28.

The square root of 143314291 is about 11971.3946973609. The cubic root of 143314291 is about 523.3149797702.

The spelling of 143314291 in words is "one hundred forty-three million, three hundred fourteen thousand, two hundred ninety-one".