146039 has 4 divisors (see below), whose sum is σ = 150024. Its totient is φ = 142056.

The previous prime is 146033. The next prime is 146051. The reversal of 146039 is 930641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 930641 = 137 ⋅6793.

It is a cyclic number.

It is not a de Polignac number, because 146039 - 2⁴ = 146023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146033) 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, 1937 + ... + 2010.

It is an arithmetic number, because the mean of its divisors is an integer number (37506).

2¹⁴⁶⁰³⁹ is an apocalyptic number.

146039 is a deficient number, since it is larger than the sum of its proper divisors (3985).

146039 is an equidigital number, since it uses as much as digits as its factorization.

146039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3984.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 146039 is about 382.1504939157. The cubic root of 146039 is about 52.6610624456.

The spelling of 146039 in words is "one hundred forty-six thousand, thirty-nine".