158102320 has 40 divisors (see below), whose sum is σ = 370980720. Its totient is φ = 62657280.

The previous prime is 158102311. The next prime is 158102327. The reversal of 158102320 is 23201851.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 158102291 and 158102300.

It is not an unprimeable number, because it can be changed into a prime (158102327) 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, 346 + ... + 17785.

It is an arithmetic number, because the mean of its divisors is an integer number (9274518).

Almost surely, 2^158102320 is an apocalyptic number.

158102320 is a gapful number since it is divisible by the number (10) 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 158102320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (185490360).

158102320 is an abundant number, since it is smaller than the sum of its proper divisors (212878400).

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

158102320 is a wasteful number, since it uses less digits than its factorization.

158102320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18253 (or 18247 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 158102320 is about 12573.8745023163. The cubic root of 158102320 is about 540.7286915946.

The spelling of 158102320 in words is "one hundred fifty-eight million, one hundred two thousand, three hundred twenty".