101144345 has 4 divisors (see below), whose sum is σ = 121373220. Its totient is φ = 80915472.

The previous prime is 101144311. The next prime is 101144357. The reversal of 101144345 is 543441101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25593481 + 75550864 = 5059^2 + 8692^2 .

It is a cyclic number.

It is not a de Polignac number, because 101144345 - 2¹⁰ = 101143321 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101144345.

It is an unprimeable number.

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, 10114430 + ... + 10114439.

It is an arithmetic number, because the mean of its divisors is an integer number (30343305).

Almost surely, 2^101144345 is an apocalyptic number.

It is an amenable number.

101144345 is a deficient number, since it is larger than the sum of its proper divisors (20228875).

101144345 is an equidigital number, since it uses as much as digits as its factorization.

101144345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20228874.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 101144345 is about 10057.0544892627. The cubic root of 101144345 is about 465.9226986540.

Adding to 101144345 its reverse (543441101), we get a palindrome (644585446).

The spelling of 101144345 in words is "one hundred one million, one hundred forty-four thousand, three hundred forty-five".