146000581 has 2 divisors, whose sum is σ = 146000582. Its totient is φ = 146000580.

The previous prime is 146000563. The next prime is 146000593. The reversal of 146000581 is 185000641.

146000581 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 can be written as a sum of positive squares in only one way, i.e., 125216100 + 20784481 = 11190^2 + 4559^2 .

It is a cyclic number.

It is not a de Polignac number, because 146000581 - 2¹³ = 145992389 is a prime.

It is a super-2 number, since 2×146000581² = 42632339304675122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146000501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73000290 + 73000291.

It is an arithmetic number, because the mean of its divisors is an integer number (73000291).

Almost surely, 2^146000581 is an apocalyptic number.

It is an amenable number.

146000581 is a deficient number, since it is larger than the sum of its proper divisors (1).

146000581 is an equidigital number, since it uses as much as digits as its factorization.

146000581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 146000581 is about 12083.0700155217. The cubic root of 146000581 is about 526.5644412946.

The spelling of 146000581 in words is "one hundred forty-six million, five hundred eighty-one", and thus it is an aban number.