1145152013 has 2 divisors, whose sum is σ = 1145152014. Its totient is φ = 1145152012.

The previous prime is 1145152003. The next prime is 1145152031. The reversal of 1145152013 is 3102515411.

Together with next prime (1145152031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 752240329 + 392911684 = 27427^2 + 19822^2 .

It is an emirp because it is prime and its reverse (3102515411) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1145152013 - 2¹⁰ = 1145150989 is a prime.

It is a super-2 number, since 2×1145152013² = 2622746265755904338, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1145152013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1145152003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572576006 + 572576007.

It is an arithmetic number, because the mean of its divisors is an integer number (572576007).

Almost surely, 2^1145152013 is an apocalyptic number.

It is an amenable number.

1145152013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145152013 is an equidigital number, since it uses as much as digits as its factorization.

1145152013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 1145152013 is about 33840.0947545955. The cubic root of 1145152013 is about 1046.2152518855.

Adding to 1145152013 its reverse (3102515411), we get a palindrome (4247667424).

The spelling of 1145152013 in words is "one billion, one hundred forty-five million, one hundred fifty-two thousand, thirteen".