1145134379 has 2 divisors, whose sum is σ = 1145134380. Its totient is φ = 1145134378.

The previous prime is 1145134369. The next prime is 1145134411. The reversal of 1145134379 is 9734315411.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1145134379 - 2²⁴ = 1128357163 is a prime.

It is a super-2 number, since 2×1145134379² = 2622665491935431282, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1145134369) 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, 572567189 + 572567190.

It is an arithmetic number, because the mean of its divisors is an integer number (572567190).

Almost surely, 2^1145134379 is an apocalyptic number.

1145134379 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145134379 is an equidigital number, since it uses as much as digits as its factorization.

1145134379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 38.

The square root of 1145134379 is about 33839.8342046766. The cubic root of 1145134379 is about 1046.2098816947.

The spelling of 1145134379 in words is "one billion, one hundred forty-five million, one hundred thirty-four thousand, three hundred seventy-nine".