1145040113 has 16 divisors (see below), whose sum is σ = 1331857920. Its totient is φ = 964141056.

The previous prime is 1145040079. The next prime is 1145040121. The reversal of 1145040113 is 3110405411.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1145040113 - 2¹⁶ = 1144974577 is a prime.

It is a super-2 number, since 2×1145040113² = 2622233720758105538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1145040133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126968 + ... + 135686.

It is an arithmetic number, because the mean of its divisors is an integer number (83241120).

Almost surely, 2^1145040113 is an apocalyptic number.

It is an amenable number.

1145040113 is a deficient number, since it is larger than the sum of its proper divisors (186817807).

1145040113 is an equidigital number, since it uses as much as digits as its factorization.

1145040113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9056.

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

The square root of 1145040113 is about 33838.4413500386. The cubic root of 1145040113 is about 1046.1811733530.

Adding to 1145040113 its reverse (3110405411), we get a palindrome (4255445524).

The spelling of 1145040113 in words is "one billion, one hundred forty-five million, forty thousand, one hundred thirteen".