158278120 has 256 divisors, whose sum is σ = 493516800. Its totient is φ = 44098560.

The previous prime is 158278117. The next prime is 158278121. The reversal of 158278120 is 21872851.

158278120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (158278121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2362327 + ... + 2362393.

It is an arithmetic number, because the mean of its divisors is an integer number (1927800).

Almost surely, 2^158278120 is an apocalyptic number.

158278120 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 158278120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246758400).

158278120 is an abundant number, since it is smaller than the sum of its proper divisors (335238680).

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

158278120 is a wasteful number, since it uses less digits than its factorization.

158278120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 34.

The square root of 158278120 is about 12580.8632454216. The cubic root of 158278120 is about 540.9290363082.

The spelling of 158278120 in words is "one hundred fifty-eight million, two hundred seventy-eight thousand, one hundred twenty".