146412081 has 24 divisors (see below), whose sum is σ = 223317120. Its totient is φ = 92179296.

The previous prime is 146412067. The next prime is 146412121. The reversal of 146412081 is 180214641.

It is a happy number.

146412081 is a `hidden beast` number, since 1 + 464 + 120 + 81 = 666.

It is not a de Polignac number, because 146412081 - 2¹⁵ = 146379313 is a prime.

It is a super-2 number, since 2×146412081² = 42872994925501122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (146412001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61591 + ... + 63923.

It is an arithmetic number, because the mean of its divisors is an integer number (9304880).

Almost surely, 2^146412081 is an apocalyptic number.

It is an amenable number.

146412081 is a deficient number, since it is larger than the sum of its proper divisors (76905039).

146412081 is a wasteful number, since it uses less digits than its factorization.

146412081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2725 (or 2722 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 146412081 is about 12100.0859914300. The cubic root of 146412081 is about 527.0586813712.

The spelling of 146412081 in words is "one hundred forty-six million, four hundred twelve thousand, eighty-one".