143870047 has 2 divisors, whose sum is σ = 143870048. Its totient is φ = 143870046.

The previous prime is 143870003. The next prime is 143870057. The reversal of 143870047 is 740078341.

It is a strong prime.

It is an emirp because it is prime and its reverse (740078341) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143870047 is a prime.

It is equal to p_8118475 and since 143870047 and 8118475 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 143869994 and 143870021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143870057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71935023 + 71935024.

It is an arithmetic number, because the mean of its divisors is an integer number (71935024).

Almost surely, 2^143870047 is an apocalyptic number.

143870047 is a deficient number, since it is larger than the sum of its proper divisors (1).

143870047 is an equidigital number, since it uses as much as digits as its factorization.

143870047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 143870047 is about 11994.5840694874. The cubic root of 143870047 is about 523.9905586066.

The spelling of 143870047 in words is "one hundred forty-three million, eight hundred seventy thousand, forty-seven".