101345605 has 4 divisors (see below), whose sum is σ = 121614732. Its totient is φ = 81076480.

The previous prime is 101345597. The next prime is 101345611. The reversal of 101345605 is 506543101.

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 33431524 + 67914081 = 5782^2 + 8241^2 .

It is not a de Polignac number, because 101345605 - 2³ = 101345597 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101345605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10134556 + ... + 10134565.

It is an arithmetic number, because the mean of its divisors is an integer number (30403683).

Almost surely, 2^101345605 is an apocalyptic number.

It is an amenable number.

101345605 is a deficient number, since it is larger than the sum of its proper divisors (20269127).

101345605 is an equidigital number, since it uses as much as digits as its factorization.

101345605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20269126.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 101345605 is about 10067.0554284756. The cubic root of 101345605 is about 466.2315294789.

Adding to 101345605 its reverse (506543101), we get a palindrome (607888706).

The spelling of 101345605 in words is "one hundred one million, three hundred forty-five thousand, six hundred five".