158229018 has 16 divisors (see below), whose sum is σ = 351620160. Its totient is φ = 52742988.

The previous prime is 158229011. The next prime is 158229023. The reversal of 158229018 is 810922851.

It is not an unprimeable number, because it can be changed into a prime (158229011) 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 in 7 ways as a sum of consecutive naturals, for example, 1465030 + ... + 1465137.

It is an arithmetic number, because the mean of its divisors is an integer number (21976260).

Almost surely, 2^158229018 is an apocalyptic number.

158229018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

158229018 is an abundant number, since it is smaller than the sum of its proper divisors (193391142).

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

158229018 is a wasteful number, since it uses less digits than its factorization.

158229018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2930178 (or 2930172 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 158229018 is about 12578.9116381347. The cubic root of 158229018 is about 540.8730937589.

The spelling of 158229018 in words is "one hundred fifty-eight million, two hundred twenty-nine thousand, eighteen".