2145203530514 has 128 divisors (see below), whose sum is σ = 3834367967232. Its totient is φ = 890266386240.

The previous prime is 2145203530469. The next prime is 2145203530577. The reversal of 2145203530514 is 4150353025412.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 185133029 + ... + 185144615.

It is an arithmetic number, because the mean of its divisors is an integer number (29955999744).

Almost surely, 2^{2145203530514} is an apocalyptic number.

2145203530514 is a deficient number, since it is larger than the sum of its proper divisors (1689164436718).

2145203530514 is a wasteful number, since it uses less digits than its factorization.

2145203530514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11860.

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 2145203530514 its reverse (4150353025412), we get a palindrome (6295556555926).

The spelling of 2145203530514 in words is "two trillion, one hundred forty-five billion, two hundred three million, five hundred thirty thousand, five hundred fourteen".