1145021467 has 2 divisors, whose sum is σ = 1145021468. Its totient is φ = 1145021466.

The previous prime is 1145021447. The next prime is 1145021483. The reversal of 1145021467 is 7641205411.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1145021467 is a prime.

It is a super-2 number, since 2×1145021467² = 2622148319781664178, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1145021407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572510733 + 572510734.

It is an arithmetic number, because the mean of its divisors is an integer number (572510734).

Almost surely, 2^1145021467 is an apocalyptic number.

1145021467 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145021467 is an equidigital number, since it uses as much as digits as its factorization.

1145021467 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 1145021467 is about 33838.1658338628. The cubic root of 1145021467 is about 1046.1754946000.

Adding to 1145021467 its reverse (7641205411), we get a palindrome (8786226878).

The spelling of 1145021467 in words is "one billion, one hundred forty-five million, twenty-one thousand, four hundred sixty-seven".