146959081 has 2 divisors, whose sum is σ = 146959082. Its totient is φ = 146959080.

The previous prime is 146959069. The next prime is 146959093. The reversal of 146959081 is 180959641.

It is a balanced prime because it is at equal distance from previous prime (146959069) and next prime (146959093).

It can be written as a sum of positive squares in only one way, i.e., 146410000 + 549081 = 12100^2 + 741^2 .

It is a cyclic number.

It is not a de Polignac number, because 146959081 - 2⁵ = 146959049 is a prime.

It is a super-2 number, since 2×146959081² = 43193942976729122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (146959031) 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, 73479540 + 73479541.

It is an arithmetic number, because the mean of its divisors is an integer number (73479541).

Almost surely, 2^146959081 is an apocalyptic number.

It is an amenable number.

146959081 is a deficient number, since it is larger than the sum of its proper divisors (1).

146959081 is an equidigital number, since it uses as much as digits as its factorization.

146959081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 146959081 is about 12122.6680644155. The cubic root of 146959081 is about 527.7142347613.

The spelling of 146959081 in words is "one hundred forty-six million, nine hundred fifty-nine thousand, eighty-one".