1145135101 has 4 divisors (see below), whose sum is σ = 1249238304. Its totient is φ = 1041031900.

The previous prime is 1145135087. The next prime is 1145135197. The reversal of 1145135101 is 1015315411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1145135101 - 2⁷ = 1145134973 is a prime.

It is a super-2 number, since 2×1145135101² = 2622668799084560402, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145135801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52051585 + ... + 52051606.

It is an arithmetic number, because the mean of its divisors is an integer number (312309576).

Almost surely, 2^1145135101 is an apocalyptic number.

1145135101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1145135101 is a deficient number, since it is larger than the sum of its proper divisors (104103203).

1145135101 is a wasteful number, since it uses less digits than its factorization.

1145135101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104103202.

The product of its (nonzero) digits is 300, while the sum is 22.

The square root of 1145135101 is about 33839.8448725759. The cubic root of 1145135101 is about 1046.2101015709.

The spelling of 1145135101 in words is "one billion, one hundred forty-five million, one hundred thirty-five thousand, one hundred one".