1145004457 has 2 divisors, whose sum is σ = 1145004458. Its totient is φ = 1145004456.

The previous prime is 1145004431. The next prime is 1145004463. The reversal of 1145004457 is 7544005411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 718829721 + 426174736 = 26811^2 + 20644^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1145004457 is a prime.

It is a super-2 number, since 2×1145004457² = 2622070413099729698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1145004407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572502228 + 572502229.

It is an arithmetic number, because the mean of its divisors is an integer number (572502229).

Almost surely, 2^1145004457 is an apocalyptic number.

It is an amenable number.

1145004457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145004457 is an equidigital number, since it uses as much as digits as its factorization.

1145004457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 1145004457 is about 33837.9144895190. The cubic root of 1145004457 is about 1046.1703140470.

Adding to 1145004457 its reverse (7544005411), we get a palindrome (8689009868).

The spelling of 1145004457 in words is "one billion, one hundred forty-five million, four thousand, four hundred fifty-seven".