170142943 has 2 divisors, whose sum is σ = 170142944. Its totient is φ = 170142942.

The previous prime is 170142923. The next prime is 170142977. The reversal of 170142943 is 349241071.

170142943 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-170142943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (170142923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85071471 + 85071472.

It is an arithmetic number, because the mean of its divisors is an integer number (85071472).

Almost surely, 2^170142943 is an apocalyptic number.

170142943 is a deficient number, since it is larger than the sum of its proper divisors (1).

170142943 is an equidigital number, since it uses as much as digits as its factorization.

170142943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 170142943 is about 13043.8852724179. The cubic root of 170142943 is about 554.1210479367.

It can be divided in two parts, 1701 and 42943, that added together give a palindrome (44644).

The spelling of 170142943 in words is "one hundred seventy million, one hundred forty-two thousand, nine hundred forty-three".