158490108 has 180 divisors, whose sum is σ = 492445800. Its totient is φ = 44307648.

The previous prime is 158490103. The next prime is 158490119. The reversal of 158490108 is 801094851.

158490108 is a `hidden beast` number, since 158 + 490 + 10 + 8 = 666.

It is a super-2 number, since 2×158490108² = 50238228667703328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158490103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1063618 + ... + 1063766.

It is an arithmetic number, because the mean of its divisors is an integer number (2735810).

Almost surely, 2^158490108 is an apocalyptic number.

158490108 is a gapful number since it is divisible by the number (18) 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 158490108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246222900).

158490108 is an abundant number, since it is smaller than the sum of its proper divisors (333955692).

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

158490108 is a wasteful number, since it uses less digits than its factorization.

158490108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246 (or 228 counting only the distinct ones).

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

The square root of 158490108 is about 12589.2854443769. The cubic root of 158490108 is about 541.1704242912.

The spelling of 158490108 in words is "one hundred fifty-eight million, four hundred ninety thousand, one hundred eight".