143640151 has 2 divisors, whose sum is σ = 143640152. Its totient is φ = 143640150.

The previous prime is 143640139. The next prime is 143640173. The reversal of 143640151 is 151046341.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 143640151 - 2¹⁵ = 143607383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143640121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71820075 + 71820076.

It is an arithmetic number, because the mean of its divisors is an integer number (71820076).

Almost surely, 2^143640151 is an apocalyptic number.

143640151 is a deficient number, since it is larger than the sum of its proper divisors (1).

143640151 is an equidigital number, since it uses as much as digits as its factorization.

143640151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 143640151 is about 11984.9969128073. The cubic root of 143640151 is about 523.7113076263.

Adding to 143640151 its reverse (151046341), we get a palindrome (294686492).

The spelling of 143640151 in words is "one hundred forty-three million, six hundred forty thousand, one hundred fifty-one".