2145522200305 has 16 divisors (see below), whose sum is σ = 2810003011200. Its totient is φ = 1559646780160.

The previous prime is 2145522200231. The next prime is 2145522200383. The reversal of 2145522200305 is 5030022255412.

It is not a de Polignac number, because 2145522200305 - 2¹³ = 2145522192113 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9044365 + ... + 9278554.

It is an arithmetic number, because the mean of its divisors is an integer number (175625188200).

Almost surely, 2^{2145522200305} is an apocalyptic number.

It is an amenable number.

2145522200305 is a deficient number, since it is larger than the sum of its proper divisors (664480810895).

2145522200305 is a wasteful number, since it uses less digits than its factorization.

2145522200305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18325064.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 2145522200305 its reverse (5030022255412), we get a palindrome (7175544455717).

The spelling of 2145522200305 in words is "two trillion, one hundred forty-five billion, five hundred twenty-two million, two hundred thousand, three hundred five".