158947212 has 96 divisors (see below), whose sum is σ = 408348864. Its totient is φ = 47923200.

The previous prime is 158947211. The next prime is 158947219. The reversal of 158947212 is 212749851.

It is not an unprimeable number, because it can be changed into a prime (158947211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 659412 + ... + 659652.

It is an arithmetic number, because the mean of its divisors is an integer number (4253634).

Almost surely, 2^158947212 is an apocalyptic number.

158947212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158947212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204174432).

158947212 is an abundant number, since it is smaller than the sum of its proper divisors (249401652).

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

158947212 is a wasteful number, since it uses less digits than its factorization.

158947212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379 (or 377 counting only the distinct ones).

The product of its digits is 40320, while the sum is 39.

The square root of 158947212 is about 12607.4268588003. The cubic root of 158947212 is about 541.6901911782.

The spelling of 158947212 in words is "one hundred fifty-eight million, nine hundred forty-seven thousand, two hundred twelve".