146918 has 4 divisors (see below), whose sum is σ = 220380. Its totient is φ = 73458.

The previous prime is 146917. The next prime is 146921. The reversal of 146918 is 819641.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146917) by changing a digit.

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, 36728 + ... + 36731.

It is an arithmetic number, because the mean of its divisors is an integer number (55095).

2¹⁴⁶⁹¹⁸ is an apocalyptic number.

146918 is a deficient number, since it is larger than the sum of its proper divisors (73462).

146918 is an equidigital number, since it uses as much as digits as its factorization.

146918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73461.

The product of its digits is 1728, while the sum is 29.

The square root of 146918 is about 383.2988390277. The cubic root of 146918 is about 52.7665057696.

The spelling of 146918 in words is "one hundred forty-six thousand, nine hundred eighteen".