158338012 has 36 divisors (see below), whose sum is σ = 324920064. Its totient is φ = 67314240.

The previous prime is 158338009. The next prime is 158338043. The reversal of 158338012 is 210833851.

158338012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×158338012² = 50141852088224288, which contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 21712 + ... + 28072.

Almost surely, 2^158338012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158338012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162460032).

158338012 is an abundant number, since it is smaller than the sum of its proper divisors (166582052).

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

158338012 is a wasteful number, since it uses less digits than its factorization.

158338012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6506 (or 6497 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 158338012 is about 12583.2433021062. The cubic root of 158338012 is about 540.9972563847.

The spelling of 158338012 in words is "one hundred fifty-eight million, three hundred thirty-eight thousand, twelve".