158287287 has 12 divisors (see below), whose sum is σ = 214002024. Its totient is φ = 104068800.

The previous prime is 158287273. The next prime is 158287313. The reversal of 158287287 is 782782851.

It is not a de Polignac number, because 158287287 - 2¹⁵ = 158254519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158287237) 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 in 11 ways as a sum of consecutive naturals, for example, 11037 + ... + 20937.

It is an arithmetic number, because the mean of its divisors is an integer number (17833502).

Almost surely, 2^158287287 is an apocalyptic number.

158287287 is a deficient number, since it is larger than the sum of its proper divisors (55714737).

158287287 is an frugal number, since it uses more digits than its factorization.

158287287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10050 (or 9977 counting only the distinct ones).

The product of its digits is 501760, while the sum is 48.

The square root of 158287287 is about 12581.2275633183. The cubic root of 158287287 is about 540.9394791093.

The spelling of 158287287 in words is "one hundred fifty-eight million, two hundred eighty-seven thousand, two hundred eighty-seven".