158733193 has 2 divisors, whose sum is σ = 158733194. Its totient is φ = 158733192.

The previous prime is 158733173. The next prime is 158733221. The reversal of 158733193 is 391337851.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 158080329 + 652864 = 12573^2 + 808^2 .

It is a cyclic number.

It is not a de Polignac number, because 158733193 - 2¹⁷ = 158602121 is a prime.

It is not a weakly prime, because it can be changed into another prime (158733173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79366596 + 79366597.

It is an arithmetic number, because the mean of its divisors is an integer number (79366597).

Almost surely, 2^158733193 is an apocalyptic number.

It is an amenable number.

158733193 is a deficient number, since it is larger than the sum of its proper divisors (1).

158733193 is an equidigital number, since it uses as much as digits as its factorization.

158733193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 40.

The square root of 158733193 is about 12598.9361852499. The cubic root of 158733193 is about 541.4469572478.

The spelling of 158733193 in words is "one hundred fifty-eight million, seven hundred thirty-three thousand, one hundred ninety-three".