158233385 has 4 divisors (see below), whose sum is σ = 189880068. Its totient is φ = 126586704.

The previous prime is 158233373. The next prime is 158233429. The reversal of 158233385 is 583332851.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 81775849 + 76457536 = 9043^2 + 8744^2 .

It is a cyclic number.

It is not a de Polignac number, because 158233385 - 2⁶ = 158233321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15823334 + ... + 15823343.

It is an arithmetic number, because the mean of its divisors is an integer number (47470017).

Almost surely, 2^158233385 is an apocalyptic number.

It is an amenable number.

158233385 is a deficient number, since it is larger than the sum of its proper divisors (31646683).

158233385 is an equidigital number, since it uses as much as digits as its factorization.

158233385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31646682.

The product of its digits is 86400, while the sum is 38.

The square root of 158233385 is about 12579.0852211121. The cubic root of 158233385 is about 540.8780696078.

The spelling of 158233385 in words is "one hundred fifty-eight million, two hundred thirty-three thousand, three hundred eighty-five".