102205304045 has 8 divisors (see below), whose sum is σ = 132080700696. Its totient is φ = 75474686016.

The previous prime is 102205304017. The next prime is 102205304111. The reversal of 102205304045 is 540403502201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 723556201 + 101481747844 = 26899^2 + 318562^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102205304045 - 2⁸ = 102205303789 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 786194582 + ... + 786194711.

It is an arithmetic number, because the mean of its divisors is an integer number (16510087587).

Almost surely, 2^102205304045 is an apocalyptic number.

It is an amenable number.

102205304045 is a deficient number, since it is larger than the sum of its proper divisors (29875396651).

102205304045 is a wasteful number, since it uses less digits than its factorization.

102205304045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572389311.

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 102205304045 its reverse (540403502201), we get a palindrome (642608806246).

The spelling of 102205304045 in words is "one hundred two billion, two hundred five million, three hundred four thousand, forty-five".