146383381 has 2 divisors, whose sum is σ = 146383382. Its totient is φ = 146383380.

The previous prime is 146383357. The next prime is 146383417. The reversal of 146383381 is 183383641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94672900 + 51710481 = 9730^2 + 7191^2 .

It is a cyclic number.

It is not a de Polignac number, because 146383381 - 2⁷ = 146383253 is a prime.

It is a super-2 number, since 2×146383381² = 42856188465982322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 146383381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (146383681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73191690 + 73191691.

It is an arithmetic number, because the mean of its divisors is an integer number (73191691).

Almost surely, 2^146383381 is an apocalyptic number.

It is an amenable number.

146383381 is a deficient number, since it is larger than the sum of its proper divisors (1).

146383381 is an equidigital number, since it uses as much as digits as its factorization.

146383381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 37.

The square root of 146383381 is about 12098.8999913215. The cubic root of 146383381 is about 527.0242407418.

The spelling of 146383381 in words is "one hundred forty-six million, three hundred eighty-three thousand, three hundred eighty-one".