143270447 has 2 divisors, whose sum is σ = 143270448. Its totient is φ = 143270446.

The previous prime is 143270399. The next prime is 143270471. The reversal of 143270447 is 744072341.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 143270447 - 2¹⁴ = 143254063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143270947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71635223 + 71635224.

It is an arithmetic number, because the mean of its divisors is an integer number (71635224).

Almost surely, 2^143270447 is an apocalyptic number.

143270447 is a deficient number, since it is larger than the sum of its proper divisors (1).

143270447 is an equidigital number, since it uses as much as digits as its factorization.

143270447 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 32.

The square root of 143270447 is about 11969.5633587863. The cubic root of 143270447 is about 523.2616085817.

The spelling of 143270447 in words is "one hundred forty-three million, two hundred seventy thousand, four hundred forty-seven".