146061589 has 2 divisors, whose sum is σ = 146061590. Its totient is φ = 146061588.

The previous prime is 146061551. The next prime is 146061593. The reversal of 146061589 is 985160641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76422564 + 69639025 = 8742^2 + 8345^2 .

It is a cyclic number.

It is not a de Polignac number, because 146061589 - 2⁹ = 146061077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146061689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73030794 + 73030795.

It is an arithmetic number, because the mean of its divisors is an integer number (73030795).

Almost surely, 2^146061589 is an apocalyptic number.

It is an amenable number.

146061589 is a deficient number, since it is larger than the sum of its proper divisors (1).

146061589 is an equidigital number, since it uses as much as digits as its factorization.

146061589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 146061589 is about 12085.5942758310. The cubic root of 146061589 is about 526.6377747241.

The spelling of 146061589 in words is "one hundred forty-six million, sixty-one thousand, five hundred eighty-nine".