158423033 has 2 divisors, whose sum is σ = 158423034. Its totient is φ = 158423032.

The previous prime is 158423021. The next prime is 158423059. The reversal of 158423033 is 330324851.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83028544 + 75394489 = 9112^2 + 8683^2 .

It is a cyclic number.

It is not a de Polignac number, because 158423033 - 2¹⁰ = 158422009 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 158422987 and 158423005.

It is not a weakly prime, because it can be changed into another prime (158423003) 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, 79211516 + 79211517.

It is an arithmetic number, because the mean of its divisors is an integer number (79211517).

Almost surely, 2^158423033 is an apocalyptic number.

It is an amenable number.

158423033 is a deficient number, since it is larger than the sum of its proper divisors (1).

158423033 is an equidigital number, since it uses as much as digits as its factorization.

158423033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 158423033 is about 12586.6211907724. The cubic root of 158423033 is about 541.0940701502.

Adding to 158423033 its reverse (330324851), we get a palindrome (488747884).

The spelling of 158423033 in words is "one hundred fifty-eight million, four hundred twenty-three thousand, thirty-three".