158052378 has 48 divisors (see below), whose sum is σ = 359483040. Its totient is φ = 46236960.

The previous prime is 158052359. The next prime is 158052421. The reversal of 158052378 is 873250851.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 17301 + ... + 24807.

It is an arithmetic number, because the mean of its divisors is an integer number (7489230).

Almost surely, 2^158052378 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158052378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179741520).

158052378 is an abundant number, since it is smaller than the sum of its proper divisors (201430662).

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

158052378 is a wasteful number, since it uses less digits than its factorization.

158052378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7563 (or 7552 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 39.

The square root of 158052378 is about 12571.8884023046. Note that the first 3 decimals coincide. The cubic root of 158052378 is about 540.6717497435.

The spelling of 158052378 in words is "one hundred fifty-eight million, fifty-two thousand, three hundred seventy-eight".