143651 has 2 divisors, whose sum is σ = 143652. Its totient is φ = 143650.

The previous prime is 143629. The next prime is 143653. The reversal of 143651 is 156341.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143651 is a prime.

Together with 143653, it forms a pair of twin primes.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 143651.

It is not a weakly prime, because it can be changed into another prime (143653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71825 + 71826.

It is an arithmetic number, because the mean of its divisors is an integer number (71826).

2¹⁴³⁶⁵¹ is an apocalyptic number.

143651 is the 170-th centered decagonal number.

143651 is a deficient number, since it is larger than the sum of its proper divisors (1).

143651 is an equidigital number, since it uses as much as digits as its factorization.

143651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 360, while the sum is 20.

The square root of 143651 is about 379.0131923825. The cubic root of 143651 is about 52.3724492429.

Adding to 143651 its reverse (156341), we get a palindrome (299992).

The spelling of 143651 in words is "one hundred forty-three thousand, six hundred fifty-one".