146158 has 4 divisors (see below), whose sum is σ = 219240. Its totient is φ = 73078.

The previous prime is 146141. The next prime is 146161. The reversal of 146158 is 851641.

It is a semiprime because it is the product of two primes.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

146158 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36538 + ... + 36541.

It is an arithmetic number, because the mean of its divisors is an integer number (54810).

2¹⁴⁶¹⁵⁸ is an apocalyptic number.

146158 is a deficient number, since it is larger than the sum of its proper divisors (73082).

146158 is an equidigital number, since it uses as much as digits as its factorization.

146158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73081.

The product of its digits is 960, while the sum is 25.

The square root of 146158 is about 382.3061600341. The cubic root of 146158 is about 52.6753621990.

Adding to 146158 its reverse (851641), we get a palindrome (997799).

The spelling of 146158 in words is "one hundred forty-six thousand, one hundred fifty-eight".