1145518793 has 2 divisors, whose sum is σ = 1145518794. Its totient is φ = 1145518792.

The previous prime is 1145518747. The next prime is 1145518813. The reversal of 1145518793 is 3978155411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 924342409 + 221176384 = 30403^2 + 14872^2 .

It is an emirp because it is prime and its reverse (3978155411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1145518793 - 2⁶ = 1145518729 is a prime.

It is not a weakly prime, because it can be changed into another prime (1145518093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572759396 + 572759397.

It is an arithmetic number, because the mean of its divisors is an integer number (572759397).

Almost surely, 2^1145518793 is an apocalyptic number.

It is an amenable number.

1145518793 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145518793 is an equidigital number, since it uses as much as digits as its factorization.

1145518793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 44.

The square root of 1145518793 is about 33845.5136317947. The cubic root of 1145518793 is about 1046.3269371653.

The spelling of 1145518793 in words is "one billion, one hundred forty-five million, five hundred eighteen thousand, seven hundred ninety-three".