1146230381 has 2 divisors, whose sum is σ = 1146230382. Its totient is φ = 1146230380.

The previous prime is 1146230359. The next prime is 1146230383. The reversal of 1146230381 is 1830326411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1019780356 + 126450025 = 31934^2 + 11245^2 .

It is a cyclic number.

It is not a de Polignac number, because 1146230381 - 2¹⁴ = 1146213997 is a prime.

It is a super-2 number, since 2×1146230381² = 2627688172654810322, which contains 22 as substring.

Together with 1146230383, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1146230383) 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, 573115190 + 573115191.

It is an arithmetic number, because the mean of its divisors is an integer number (573115191).

Almost surely, 2^1146230381 is an apocalyptic number.

It is an amenable number.

1146230381 is a deficient number, since it is larger than the sum of its proper divisors (1).

1146230381 is an equidigital number, since it uses as much as digits as its factorization.

1146230381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 1146230381 is about 33856.0242940603. The cubic root of 1146230381 is about 1046.5435492308.

Adding to 1146230381 its reverse (1830326411), we get a palindrome (2976556792).

The spelling of 1146230381 in words is "one billion, one hundred forty-six million, two hundred thirty thousand, three hundred eighty-one".