146773217 has 2 divisors, whose sum is σ = 146773218. Its totient is φ = 146773216.

The previous prime is 146773213. The next prime is 146773241. The reversal of 146773217 is 712377641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97436641 + 49336576 = 9871^2 + 7024^2 .

It is a cyclic number.

It is not a de Polignac number, because 146773217 - 2² = 146773213 is a prime.

It is not a weakly prime, because it can be changed into another prime (146773213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73386608 + 73386609.

It is an arithmetic number, because the mean of its divisors is an integer number (73386609).

Almost surely, 2^146773217 is an apocalyptic number.

It is an amenable number.

146773217 is a deficient number, since it is larger than the sum of its proper divisors (1).

146773217 is an equidigital number, since it uses as much as digits as its factorization.

146773217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 49392, while the sum is 38.

The square root of 146773217 is about 12114.9996698308. Note that the first 3 decimals coincide. The cubic root of 146773217 is about 527.4916683694.

The spelling of 146773217 in words is "one hundred forty-six million, seven hundred seventy-three thousand, two hundred seventeen".