146661539 has 2 divisors, whose sum is σ = 146661540. Its totient is φ = 146661538.

The previous prime is 146661523. The next prime is 146661553. The reversal of 146661539 is 935166641.

146661539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 146661539 - 2⁴ = 146661523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 146661496 and 146661505.

It is not a weakly prime, because it can be changed into another prime (146661509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73330769 + 73330770.

It is an arithmetic number, because the mean of its divisors is an integer number (73330770).

Almost surely, 2^146661539 is an apocalyptic number.

146661539 is a deficient number, since it is larger than the sum of its proper divisors (1).

146661539 is an equidigital number, since it uses as much as digits as its factorization.

146661539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116640, while the sum is 41.

The square root of 146661539 is about 12110.3897129696. The cubic root of 146661539 is about 527.3578470379.

The spelling of 146661539 in words is "one hundred forty-six million, six hundred sixty-one thousand, five hundred thirty-nine".