143790137 has 2 divisors, whose sum is σ = 143790138. Its totient is φ = 143790136.

The previous prime is 143790109. The next prime is 143790167. The reversal of 143790137 is 731097341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100480576 + 43309561 = 10024^2 + 6581^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143790137 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 143790097 and 143790106.

It is not a weakly prime, because it can be changed into another prime (143790167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71895068 + 71895069.

It is an arithmetic number, because the mean of its divisors is an integer number (71895069).

Almost surely, 2^143790137 is an apocalyptic number.

It is an amenable number.

143790137 is a deficient number, since it is larger than the sum of its proper divisors (1).

143790137 is an equidigital number, since it uses as much as digits as its factorization.

143790137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 143790137 is about 11991.2525200665. The cubic root of 143790137 is about 523.8935269655.

The spelling of 143790137 in words is "one hundred forty-three million, seven hundred ninety thousand, one hundred thirty-seven".