1145140013 has 6 divisors (see below), whose sum is σ = 1208583054. Its totient is φ = 1084869144.

The previous prime is 1145139971. The next prime is 1145140019. The reversal of 1145140013 is 3100415411.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 876278404 + 268861609 = 29602^2 + 16397^2 .

It is not a de Polignac number, because 1145140013 - 2¹² = 1145135917 is a prime.

It is a super-2 number, since 2×1145140013² = 2622691298747280338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145140019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1585706 + ... + 1586427.

It is an arithmetic number, because the mean of its divisors is an integer number (201430509).

Almost surely, 2^1145140013 is an apocalyptic number.

It is an amenable number.

1145140013 is a deficient number, since it is larger than the sum of its proper divisors (63443041).

1145140013 is an equidigital number, since it uses as much as digits as its factorization.

1145140013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3172171 (or 3172152 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1145140013 is about 33839.9174496629. The cubic root of 1145140013 is about 1046.2115974575.

Adding to 1145140013 its reverse (3100415411), we get a palindrome (4245555424).

The spelling of 1145140013 in words is "one billion, one hundred forty-five million, one hundred forty thousand, thirteen".