158018612 has 6 divisors (see below), whose sum is σ = 276532578. Its totient is φ = 79009304.

The previous prime is 158018603. The next prime is 158018617. The reversal of 158018612 is 216810851.

It can be written as a sum of positive squares in only one way, i.e., 147233956 + 10784656 = 12134^2 + 3284^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158018617) by changing a digit.

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 as a sum of consecutive naturals, namely, 19752323 + ... + 19752330.

It is an arithmetic number, because the mean of its divisors is an integer number (46088763).

Almost surely, 2^158018612 is an apocalyptic number.

It is an amenable number.

158018612 is a deficient number, since it is larger than the sum of its proper divisors (118513966).

158018612 is a wasteful number, since it uses less digits than its factorization.

158018612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39504657 (or 39504655 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 32.

The square root of 158018612 is about 12570.5454137838. The cubic root of 158018612 is about 540.6332443172.

The spelling of 158018612 in words is "one hundred fifty-eight million, eighteen thousand, six hundred twelve".