1145114101 has 4 divisors (see below), whose sum is σ = 1212473772. Its totient is φ = 1077754432.

The previous prime is 1145114093. The next prime is 1145114111. The reversal of 1145114101 is 1014115411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1014115411 = 14251 ⋅71161.

It can be written as a sum of positive squares in 2 ways, for example, as 830016100 + 315098001 = 28810^2 + 17751^2 .

It is a cyclic number.

It is not a de Polignac number, because 1145114101 - 2³ = 1145114093 is a prime.

It is a super-2 number, since 2×1145114101² = 2622572608618076402, 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 (1145114111) 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 3 ways as a sum of consecutive naturals, for example, 33679810 + ... + 33679843.

It is an arithmetic number, because the mean of its divisors is an integer number (303118443).

Almost surely, 2^1145114101 is an apocalyptic number.

It is an amenable number.

1145114101 is a deficient number, since it is larger than the sum of its proper divisors (67359671).

1145114101 is an equidigital number, since it uses as much as digits as its factorization.

1145114101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67359670.

The product of its (nonzero) digits is 80, while the sum is 19.

The square root of 1145114101 is about 33839.5345860430. The cubic root of 1145114101 is about 1046.2037062421.

Adding to 1145114101 its reverse (1014115411), we get a palindrome (2159229512).

It can be divided in two parts, 114511410 and 1, that added together give a triangular number (114511411 = T₁₅₁₃₃).

The spelling of 1145114101 in words is "one billion, one hundred forty-five million, one hundred fourteen thousand, one hundred one".