1145022379 has 2 divisors, whose sum is σ = 1145022380. Its totient is φ = 1145022378.

The previous prime is 1145022377. The next prime is 1145022383. The reversal of 1145022379 is 9732205411.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1145022379 - 2¹ = 1145022377 is a prime.

It is a super-2 number, since 2×1145022379² = 2622152496821639282, which contains 22 as substring.

Together with 1145022377, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1145022377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572511189 + 572511190.

It is an arithmetic number, because the mean of its divisors is an integer number (572511190).

Almost surely, 2^1145022379 is an apocalyptic number.

1145022379 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145022379 is an equidigital number, since it uses as much as digits as its factorization.

1145022379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 1145022379 is about 33838.1793097678. The cubic root of 1145022379 is about 1046.1757723566.

The spelling of 1145022379 in words is "one billion, one hundred forty-five million, twenty-two thousand, three hundred seventy-nine".