1145022899 has 2 divisors, whose sum is σ = 1145022900. Its totient is φ = 1145022898.

The previous prime is 1145022889. The next prime is 1145022911. The reversal of 1145022899 is 9982205411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1145022899 - 2²⁴ = 1128245683 is a prime.

It is a super-2 number, since 2×1145022899² = 2622154878468728402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1145022889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572511449 + 572511450.

It is an arithmetic number, because the mean of its divisors is an integer number (572511450).

Almost surely, 2^1145022899 is an apocalyptic number.

1145022899 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145022899 is an equidigital number, since it uses as much as digits as its factorization.

1145022899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 1145022899 is about 33838.1869933955. The cubic root of 1145022899 is about 1046.1759307265.

It can be divided in two parts, 11450 and 22899, that multiplied together give a triangular number (262193550 = T₂₂₈₉₉).

The spelling of 1145022899 in words is "one billion, one hundred forty-five million, twenty-two thousand, eight hundred ninety-nine".