158939743 has 2 divisors, whose sum is σ = 158939744. Its totient is φ = 158939742.

The previous prime is 158939719. The next prime is 158939747. The reversal of 158939743 is 347939851.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 158939743 - 2¹³ = 158931551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158939747) 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, 79469871 + 79469872.

It is an arithmetic number, because the mean of its divisors is an integer number (79469872).

Almost surely, 2^158939743 is an apocalyptic number.

158939743 is a deficient number, since it is larger than the sum of its proper divisors (1).

158939743 is an equidigital number, since it uses as much as digits as its factorization.

158939743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 816480, while the sum is 49.

The square root of 158939743 is about 12607.1306410301. The cubic root of 158939743 is about 541.6817062912.

The spelling of 158939743 in words is "one hundred fifty-eight million, nine hundred thirty-nine thousand, seven hundred forty-three".