158828369 has 32 divisors (see below), whose sum is σ = 193290240. Its totient is φ = 127697472.

The previous prime is 158828357. The next prime is 158828377. The reversal of 158828369 is 963828851.

It is not a de Polignac number, because 158828369 - 2⁸ = 158828113 is a prime.

It is a super-2 number, since 2×158828369² = 50452901598400322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (158828269) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1457087 + ... + 1457195.

It is an arithmetic number, because the mean of its divisors is an integer number (6040320).

Almost surely, 2^158828369 is an apocalyptic number.

It is an amenable number.

158828369 is a deficient number, since it is larger than the sum of its proper divisors (34461871).

158828369 is a wasteful number, since it uses less digits than its factorization.

158828369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309.

The product of its digits is 829440, while the sum is 50.

The square root of 158828369 is about 12602.7127635283. The cubic root of 158828369 is about 541.5551523443. Note that the first 3 decimals are identical.

The spelling of 158828369 in words is "one hundred fifty-eight million, eight hundred twenty-eight thousand, three hundred sixty-nine".