146628773 has 2 divisors, whose sum is σ = 146628774. Its totient is φ = 146628772.

The previous prime is 146628733. The next prime is 146628799. The reversal of 146628773 is 377826641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126180289 + 20448484 = 11233^2 + 4522^2 .

It is an emirp because it is prime and its reverse (377826641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 146628773 - 2⁶ = 146628709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146628733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73314386 + 73314387.

It is an arithmetic number, because the mean of its divisors is an integer number (73314387).

Almost surely, 2^146628773 is an apocalyptic number.

It is an amenable number.

146628773 is a deficient number, since it is larger than the sum of its proper divisors (1).

146628773 is an equidigital number, since it uses as much as digits as its factorization.

146628773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 44.

The square root of 146628773 is about 12109.0368320523. The cubic root of 146628773 is about 527.3185713598.

The spelling of 146628773 in words is "one hundred forty-six million, six hundred twenty-eight thousand, seven hundred seventy-three".