158828269 has 2 divisors, whose sum is σ = 158828270. Its totient is φ = 158828268.

The previous prime is 158828261. The next prime is 158828281. The reversal of 158828269 is 962828851.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144312169 + 14516100 = 12013^2 + 3810^2 .

It is a cyclic number.

It is not a de Polignac number, because 158828269 - 2³ = 158828261 is a prime.

It is a super-2 number, since 2×158828269² = 50452838067072722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158828261) 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, 79414134 + 79414135.

It is an arithmetic number, because the mean of its divisors is an integer number (79414135).

Almost surely, 2^158828269 is an apocalyptic number.

It is an amenable number.

158828269 is a deficient number, since it is larger than the sum of its proper divisors (1).

158828269 is an equidigital number, since it uses as much as digits as its factorization.

158828269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 552960, while the sum is 49.

The square root of 158828269 is about 12602.7087961279. The cubic root of 158828269 is about 541.5550386880. Note that the first 3 decimals are identical.

The spelling of 158828269 in words is "one hundred fifty-eight million, eight hundred twenty-eight thousand, two hundred sixty-nine".