146668 has 12 divisors (see below), whose sum is σ = 263872. Its totient is φ = 71280.

The previous prime is 146647. The next prime is 146669. The reversal of 146668 is 866641.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (146669) by changing a digit.

146668 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, 348 + ... + 643.

2¹⁴⁶⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

146668 is a deficient number, since it is larger than the sum of its proper divisors (117204).

146668 is a wasteful number, since it uses less digits than its factorization.

146668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032 (or 1030 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 146668 is about 382.9725838751. The cubic root of 146668 is about 52.7365590966.

The spelling of 146668 in words is "one hundred forty-six thousand, six hundred sixty-eight".