1145434379 has 2 divisors, whose sum is σ = 1145434380. Its totient is φ = 1145434378.

The previous prime is 1145434369. The next prime is 1145434441. The reversal of 1145434379 is 9734345411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1145434379 - 2¹² = 1145430283 is a prime.

It is not a weakly prime, because it can be changed into another prime (1145434369) 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, 572717189 + 572717190.

It is an arithmetic number, because the mean of its divisors is an integer number (572717190).

Almost surely, 2^1145434379 is an apocalyptic number.

1145434379 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145434379 is an equidigital number, since it uses as much as digits as its factorization.

1145434379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 41.

The square root of 1145434379 is about 33844.2665602314. The cubic root of 1145434379 is about 1046.3012350374.

The spelling of 1145434379 in words is "one billion, one hundred forty-five million, four hundred thirty-four thousand, three hundred seventy-nine".