158132385 has 32 divisors (see below), whose sum is σ = 297665280. Its totient is φ = 79375104.

The previous prime is 158132369. The next prime is 158132417. The reversal of 158132385 is 583231851.

It is not a de Polignac number, because 158132385 - 2⁴ = 158132369 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32157 + ... + 36746.

It is an arithmetic number, because the mean of its divisors is an integer number (9302040).

Almost surely, 2^158132385 is an apocalyptic number.

158132385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

158132385 is a deficient number, since it is larger than the sum of its proper divisors (139532895).

158132385 is a wasteful number, since it uses less digits than its factorization.

158132385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68934 (or 68928 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 158132385 is about 12575.0699799246. The cubic root of 158132385 is about 540.7629647112.

The spelling of 158132385 in words is "one hundred fifty-eight million, one hundred thirty-two thousand, three hundred eighty-five".