158970943 has 2 divisors, whose sum is σ = 158970944. Its totient is φ = 158970942.

The previous prime is 158970919. The next prime is 158970947. The reversal of 158970943 is 349079851.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (349079851) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 158970943 - 2¹³ = 158962751 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 158970893 and 158970902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158970947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79485471 + 79485472.

It is an arithmetic number, because the mean of its divisors is an integer number (79485472).

Almost surely, 2^158970943 is an apocalyptic number.

158970943 is a deficient number, since it is larger than the sum of its proper divisors (1).

158970943 is an equidigital number, since it uses as much as digits as its factorization.

158970943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 158970943 is about 12608.3679752774. The cubic root of 158970943 is about 541.7171481577.

The spelling of 158970943 in words is "one hundred fifty-eight million, nine hundred seventy thousand, nine hundred forty-three".