158106149 has 2 divisors, whose sum is σ = 158106150. Its totient is φ = 158106148.

The previous prime is 158106139. The next prime is 158106161. The reversal of 158106149 is 941601851.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114875524 + 43230625 = 10718^2 + 6575^2 .

It is a cyclic number.

It is not a de Polignac number, because 158106149 - 2¹² = 158102053 is a prime.

It is a super-2 number, since 2×158106149² = 49995108703220402, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158106139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79053074 + 79053075.

It is an arithmetic number, because the mean of its divisors is an integer number (79053075).

Almost surely, 2^158106149 is an apocalyptic number.

It is an amenable number.

158106149 is a deficient number, since it is larger than the sum of its proper divisors (1).

158106149 is an equidigital number, since it uses as much as digits as its factorization.

158106149 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 35.

The square root of 158106149 is about 12574.0267615430. The cubic root of 158106149 is about 540.7330567708.

The spelling of 158106149 in words is "one hundred fifty-eight million, one hundred six thousand, one hundred forty-nine".