378158 has 8 divisors (see below), whose sum is σ = 618840. Its totient is φ = 171880.

The previous prime is 378151. The next prime is 378163. The reversal of 378158 is 851873.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378151) by changing a digit.

378158 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8573 + ... + 8616.

It is an arithmetic number, because the mean of its divisors is an integer number (77355).

2³⁷⁸¹⁵⁸ is an apocalyptic number.

378158 is a deficient number, since it is larger than the sum of its proper divisors (240682).

378158 is a wasteful number, since it uses less digits than its factorization.

378158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17202.

The product of its digits is 6720, while the sum is 32.

The square root of 378158 is about 614.9455260428. The cubic root of 378158 is about 72.3143406616.

The spelling of 378158 in words is "three hundred seventy-eight thousand, one hundred fifty-eight".