146380417 has 2 divisors, whose sum is σ = 146380418. Its totient is φ = 146380416.

The previous prime is 146380393. The next prime is 146380453. The reversal of 146380417 is 714083641.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86843761 + 59536656 = 9319^2 + 7716^2 .

It is an emirp because it is prime and its reverse (714083641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 146380417 - 2¹¹ = 146378369 is a prime.

It is not a weakly prime, because it can be changed into another prime (146380517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73190208 + 73190209.

It is an arithmetic number, because the mean of its divisors is an integer number (73190209).

Almost surely, 2^146380417 is an apocalyptic number.

It is an amenable number.

146380417 is a deficient number, since it is larger than the sum of its proper divisors (1).

146380417 is an equidigital number, since it uses as much as digits as its factorization.

146380417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 146380417 is about 12098.7775002270. Note that the first 3 decimals coincide. The cubic root of 146380417 is about 527.0206836204.

The spelling of 146380417 in words is "one hundred forty-six million, three hundred eighty thousand, four hundred seventeen".