106020254345 has 4 divisors (see below), whose sum is σ = 127224305220. Its totient is φ = 84816203472.

The previous prime is 106020254311. The next prime is 106020254359. The reversal of 106020254345 is 543452020601.

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 18638529529 + 87381724816 = 136523^2 + 295604^2 .

It is a cyclic number.

It is not a de Polignac number, because 106020254345 - 2⁶ = 106020254281 is a prime.

It is a super-2 number, since 2×106020254345² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10602025430 + ... + 10602025439.

It is an arithmetic number, because the mean of its divisors is an integer number (31806076305).

Almost surely, 2^106020254345 is an apocalyptic number.

It is an amenable number.

106020254345 is a deficient number, since it is larger than the sum of its proper divisors (21204050875).

106020254345 is an equidigital number, since it uses as much as digits as its factorization.

106020254345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21204050874.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 106020254345 its reverse (543452020601), we get a palindrome (649472274946).

The spelling of 106020254345 in words is "one hundred six billion, twenty million, two hundred fifty-four thousand, three hundred forty-five".