158212782 has 48 divisors (see below), whose sum is σ = 421905120. Its totient is φ = 41726016.

The previous prime is 158212771. The next prime is 158212793. The reversal of 158212782 is 287212851.

158212782 is a `hidden beast` number, since 1 + 582 + 1 + 2 + 78 + 2 = 666.

158212782 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (158212771) and next prime (158212793).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46657 + ... + 49932.

It is an arithmetic number, because the mean of its divisors is an integer number (8789690).

Almost surely, 2^158212782 is an apocalyptic number.

158212782 is an abundant number, since it is smaller than the sum of its proper divisors (263692338).

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

158212782 is a wasteful number, since it uses less digits than its factorization.

158212782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96617 (or 96614 counting only the distinct ones).

The product of its digits is 17920, while the sum is 36.

The square root of 158212782 is about 12578.2662557286. The cubic root of 158212782 is about 540.8545933261.

The spelling of 158212782 in words is "one hundred fifty-eight million, two hundred twelve thousand, seven hundred eighty-two".