146489 has 8 divisors (see below), whose sum is σ = 177408. Its totient is φ = 118080.

The previous prime is 146477. The next prime is 146513. The reversal of 146489 is 984641.

146489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 146489 - 2¹⁶ = 80953 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146449) 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, 497 + ... + 734.

It is an arithmetic number, because the mean of its divisors is an integer number (22176).

2¹⁴⁶⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

146489 is a deficient number, since it is larger than the sum of its proper divisors (30919).

146489 is a wasteful number, since it uses less digits than its factorization.

146489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1255.

The product of its digits is 6912, while the sum is 32.

The square root of 146489 is about 382.7388143369. The cubic root of 146489 is about 52.7150963668.

The spelling of 146489 in words is "one hundred forty-six thousand, four hundred eighty-nine".