146539 has 2 divisors, whose sum is σ = 146540. Its totient is φ = 146538.

The previous prime is 146527. The next prime is 146543. The reversal of 146539 is 935641.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 146539 - 2¹⁷ = 15467 is a prime.

It is a Chen prime.

146539 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (146519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73269 + 73270.

It is an arithmetic number, because the mean of its divisors is an integer number (73270).

2¹⁴⁶⁵³⁹ is an apocalyptic number.

146539 is a deficient number, since it is larger than the sum of its proper divisors (1).

146539 is an equidigital number, since it uses as much as digits as its factorization.

146539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3240, while the sum is 28.

The square root of 146539 is about 382.8041274595. The cubic root of 146539 is about 52.7210933017.

The spelling of 146539 in words is "one hundred forty-six thousand, five hundred thirty-nine".