146667 has 4 divisors (see below), whose sum is σ = 195560. Its totient is φ = 97776.

The previous prime is 146647. The next prime is 146669. The reversal of 146667 is 766641.

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

It is not a de Polignac number, because 146667 - 2⁶ = 146603 is a prime.

It is a super-2 number, since 2×146667² = 43022417778, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

146667 is a lucky number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146669) 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 in 3 ways as a sum of consecutive naturals, for example, 24442 + ... + 24447.

It is an arithmetic number, because the mean of its divisors is an integer number (48890).

2¹⁴⁶⁶⁶⁷ is an apocalyptic number.

146667 is a deficient number, since it is larger than the sum of its proper divisors (48893).

146667 is an equidigital number, since it uses as much as digits as its factorization.

146667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48892.

The product of its digits is 6048, while the sum is 30.

The square root of 146667 is about 382.9712782964. The cubic root of 146667 is about 52.7364392416.

The spelling of 146667 in words is "one hundred forty-six thousand, six hundred sixty-seven".