146138833 has 2 divisors, whose sum is σ = 146138834. Its totient is φ = 146138832.

The previous prime is 146138831. The next prime is 146138873. The reversal of 146138833 is 338831641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 146095569 + 43264 = 12087^2 + 208^2 .

It is a cyclic number.

It is not a de Polignac number, because 146138833 - 2¹ = 146138831 is a prime.

Together with 146138831, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 146138792 and 146138801.

It is not a weakly prime, because it can be changed into another prime (146138831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73069416 + 73069417.

It is an arithmetic number, because the mean of its divisors is an integer number (73069417).

Almost surely, 2^146138833 is an apocalyptic number.

It is an amenable number.

146138833 is a deficient number, since it is larger than the sum of its proper divisors (1).

146138833 is an equidigital number, since it uses as much as digits as its factorization.

146138833 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 37.

The square root of 146138833 is about 12088.7895589261. The cubic root of 146138833 is about 526.7305950190.

The spelling of 146138833 in words is "one hundred forty-six million, one hundred thirty-eight thousand, eight hundred thirty-three".