146274773 has 2 divisors, whose sum is σ = 146274774. Its totient is φ = 146274772.

The previous prime is 146274743. The next prime is 146274781. The reversal of 146274773 is 377472641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101143249 + 45131524 = 10057^2 + 6718^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146274773 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 146274773.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146274743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73137386 + 73137387.

It is an arithmetic number, because the mean of its divisors is an integer number (73137387).

Almost surely, 2^146274773 is an apocalyptic number.

It is an amenable number.

146274773 is a deficient number, since it is larger than the sum of its proper divisors (1).

146274773 is an equidigital number, since it uses as much as digits as its factorization.

146274773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 197568, while the sum is 41.

The square root of 146274773 is about 12094.4108165714. The cubic root of 146274773 is about 526.8938679946.

The spelling of 146274773 in words is "one hundred forty-six million, two hundred seventy-four thousand, seven hundred seventy-three".