146643 has 8 divisors (see below), whose sum is σ = 223488. Its totient is φ = 83784.

The previous prime is 146639. The next prime is 146647. The reversal of 146643 is 346641.

It is an interprime number because it is at equal distance from previous prime (146639) and next prime (146647).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 146643 - 2² = 146639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (146647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3471 + ... + 3512.

It is an arithmetic number, because the mean of its divisors is an integer number (27936).

2¹⁴⁶⁶⁴³ is an apocalyptic number.

146643 is a deficient number, since it is larger than the sum of its proper divisors (76845).

146643 is an equidigital number, since it uses as much as digits as its factorization.

146643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6993.

The product of its digits is 1728, while the sum is 24.

The square root of 146643 is about 382.9399430720. The cubic root of 146643 is about 52.7335625581.

The spelling of 146643 in words is "one hundred forty-six thousand, six hundred forty-three".