146239 has 2 divisors, whose sum is σ = 146240. Its totient is φ = 146238.

The previous prime is 146221. The next prime is 146249. The reversal of 146239 is 932641.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146239 is a prime.

It is a super-3 number, since 3×146239³ = 9382333813949757, which contains 333 as substring.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73119 + 73120.

It is an arithmetic number, because the mean of its divisors is an integer number (73120).

2¹⁴⁶²³⁹ is an apocalyptic number.

146239 is a deficient number, since it is larger than the sum of its proper divisors (1).

146239 is an equidigital number, since it uses as much as digits as its factorization.

146239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 25.

The square root of 146239 is about 382.4120813991. The cubic root of 146239 is about 52.6850912055.

The spelling of 146239 in words is "one hundred forty-six thousand, two hundred thirty-nine".