146236081 has 2 divisors, whose sum is σ = 146236082. Its totient is φ = 146236080.

The previous prime is 146236061. The next prime is 146236121. The reversal of 146236081 is 180632641.

It is a happy number.

146236081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85396081 + 60840000 = 9241^2 + 7800^2 .

It is a cyclic number.

It is not a de Polignac number, because 146236081 - 2⁵ = 146236049 is a prime.

It is a super-2 number, since 2×146236081² = 42769982772477122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (146236061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73118040 + 73118041.

It is an arithmetic number, because the mean of its divisors is an integer number (73118041).

Almost surely, 2^146236081 is an apocalyptic number.

It is an amenable number.

146236081 is a deficient number, since it is larger than the sum of its proper divisors (1).

146236081 is an equidigital number, since it uses as much as digits as its factorization.

146236081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 146236081 is about 12092.8111289311. The cubic root of 146236081 is about 526.8474066331.

The spelling of 146236081 in words is "one hundred forty-six million, two hundred thirty-six thousand, eighty-one".