838148158 has 32 divisors (see below), whose sum is σ = 1313817120. Its totient is φ = 400688640.

The previous prime is 838148153. The next prime is 838148167. The reversal of 838148158 is 851841838.

838148158 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (838148153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2049058 + ... + 2049466.

It is an arithmetic number, because the mean of its divisors is an integer number (41056785).

Almost surely, 2^838148158 is an apocalyptic number.

838148158 is a deficient number, since it is larger than the sum of its proper divisors (475668962).

838148158 is a wasteful number, since it uses less digits than its factorization.

838148158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892.

The product of its digits is 245760, while the sum is 46.

The square root of 838148158 is about 28950.7885557544. The cubic root of 838148158 is about 942.8449189394.

It can be divided in two parts, 838 and 148158, that added together give a square (148996 = 386²).

The spelling of 838148158 in words is "eight hundred thirty-eight million, one hundred forty-eight thousand, one hundred fifty-eight".