158212788 has 12 divisors (see below), whose sum is σ = 369163200. Its totient is φ = 52737592.

The previous prime is 158212771. The next prime is 158212793. The reversal of 158212788 is 887212851.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 6592188 + ... + 6592211.

It is an arithmetic number, because the mean of its divisors is an integer number (30763600).

Almost surely, 2^158212788 is an apocalyptic number.

It is an amenable number.

158212788 is an abundant number, since it is smaller than the sum of its proper divisors (210950412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158212788 is a wasteful number, since it uses less digits than its factorization.

158212788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13184406 (or 13184404 counting only the distinct ones).

The product of its digits is 71680, while the sum is 42.

The square root of 158212788 is about 12578.2664942352. The cubic root of 158212788 is about 540.8546001631.

The spelling of 158212788 in words is "one hundred fifty-eight million, two hundred twelve thousand, seven hundred eighty-eight".