146356229 has 2 divisors, whose sum is σ = 146356230. Its totient is φ = 146356228.

The previous prime is 146356211. The next prime is 146356253. The reversal of 146356229 is 922653641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139476100 + 6880129 = 11810^2 + 2623^2 .

It is a cyclic number.

It is not a de Polignac number, because 146356229 - 2⁸ = 146355973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 146356192 and 146356201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146356129) 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 as a sum of consecutive naturals, namely, 73178114 + 73178115.

It is an arithmetic number, because the mean of its divisors is an integer number (73178115).

Almost surely, 2^146356229 is an apocalyptic number.

It is an amenable number.

146356229 is a deficient number, since it is larger than the sum of its proper divisors (1).

146356229 is an equidigital number, since it uses as much as digits as its factorization.

146356229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 77760, while the sum is 38.

The square root of 146356229 is about 12097.7778538044. Note that the first 3 decimals coincide. The cubic root of 146356229 is about 526.9916536022.

The spelling of 146356229 in words is "one hundred forty-six million, three hundred fifty-six thousand, two hundred twenty-nine".