143500001 has 2 divisors, whose sum is σ = 143500002. Its totient is φ = 143500000.

The previous prime is 143499971. The next prime is 143500003. The reversal of 143500001 is 100005341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80281600 + 63218401 = 8960^2 + 7951^2 .

It is a cyclic number.

It is not a de Polignac number, because 143500001 - 2¹⁰ = 143498977 is a prime.

Together with 143500003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (143500003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71750000 + 71750001.

It is an arithmetic number, because the mean of its divisors is an integer number (71750001).

Almost surely, 2^143500001 is an apocalyptic number.

It is an amenable number.

143500001 is a deficient number, since it is larger than the sum of its proper divisors (1).

143500001 is an equidigital number, since it uses as much as digits as its factorization.

143500001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 143500001 is about 11979.1485924501. The cubic root of 143500001 is about 523.5409234550.

Adding to 143500001 its reverse (100005341), we get a palindrome (243505342).

The spelling of 143500001 in words is "one hundred forty-three million, five hundred thousand, one".