1146542459 has 2 divisors, whose sum is σ = 1146542460. Its totient is φ = 1146542458.

The previous prime is 1146542429. The next prime is 1146542477. The reversal of 1146542459 is 9542456411.

It is a strong prime.

It is an emirp because it is prime and its reverse (9542456411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1146542459 - 2²⁸ = 878107003 is a prime.

It is a super-2 number, since 2×1146542459² = 2629119220579533362, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1146542429) 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, 573271229 + 573271230.

It is an arithmetic number, because the mean of its divisors is an integer number (573271230).

Almost surely, 2^1146542459 is an apocalyptic number.

1146542459 is a deficient number, since it is larger than the sum of its proper divisors (1).

1146542459 is an equidigital number, since it uses as much as digits as its factorization.

1146542459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172800, while the sum is 41.

The square root of 1146542459 is about 33860.6328794959. The cubic root of 1146542459 is about 1046.6385195459.

The spelling of 1146542459 in words is "one billion, one hundred forty-six million, five hundred forty-two thousand, four hundred fifty-nine".