146439 has 12 divisors (see below), whose sum is σ = 216216. Its totient is φ = 95472.

The previous prime is 146437. The next prime is 146449. The reversal of 146439 is 934641.

146439 is a `hidden beast` number, since 14 + 643 + 9 = 666.

It is not a de Polignac number, because 146439 - 2¹ = 146437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 324 + ... + 630.

It is an arithmetic number, because the mean of its divisors is an integer number (18018).

2¹⁴⁶⁴³⁹ is an apocalyptic number.

146439 is a deficient number, since it is larger than the sum of its proper divisors (69777).

146439 is a wasteful number, since it uses less digits than its factorization.

146439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366 (or 363 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 146439 is about 382.6734900669. The cubic root of 146439 is about 52.7090980671.

It can be divided in two parts, 146 and 439, that added together give a palindrome (585).

The spelling of 146439 in words is "one hundred forty-six thousand, four hundred thirty-nine".