146773226 has 8 divisors (see below), whose sum is σ = 220263204. Its totient is φ = 73352160.

The previous prime is 146773217. The next prime is 146773241. The reversal of 146773226 is 622377641.

It is a Cunningham number, because it is equal to 12115²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 146773225 + 1 = 12115^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 146773226.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11525 + ... + 20648.

Almost surely, 2^146773226 is an apocalyptic number.

146773226 is a deficient number, since it is larger than the sum of its proper divisors (73489978).

146773226 is a wasteful number, since it uses less digits than its factorization.

146773226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34456.

The product of its digits is 84672, while the sum is 38.

The square root of 146773226 is about 12115.0000412712. Note that the first 4 decimals coincide. The cubic root of 146773226 is about 527.4916791512.

The spelling of 146773226 in words is "one hundred forty-six million, seven hundred seventy-three thousand, two hundred twenty-six".