159870743 has 2 divisors, whose sum is σ = 159870744. Its totient is φ = 159870742.

The previous prime is 159870721. The next prime is 159870749. The reversal of 159870743 is 347078951.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 159870743 - 2⁶ = 159870679 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 159870694 and 159870703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159870749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79935371 + 79935372.

It is an arithmetic number, because the mean of its divisors is an integer number (79935372).

Almost surely, 2^159870743 is an apocalyptic number.

159870743 is a deficient number, since it is larger than the sum of its proper divisors (1).

159870743 is an equidigital number, since it uses as much as digits as its factorization.

159870743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 159870743 is about 12644.0002768111. Note that the first 3 decimals coincide. The cubic root of 159870743 is about 542.7372933185.

The spelling of 159870743 in words is "one hundred fifty-nine million, eight hundred seventy thousand, seven hundred forty-three".