2145355330223 has 16 divisors (see below), whose sum is σ = 2481511958016. Its totient is φ = 1816620475680.

The previous prime is 2145355330163. The next prime is 2145355330231. The reversal of 2145355330223 is 3220335535412.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2145355330223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145355330523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11569265 + ... + 11753237.

It is an arithmetic number, because the mean of its divisors is an integer number (155094497376).

Almost surely, 2^{2145355330223} is an apocalyptic number.

2145355330223 is a deficient number, since it is larger than the sum of its proper divisors (336156627793).

2145355330223 is a wasteful number, since it uses less digits than its factorization.

2145355330223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204134.

The product of its (nonzero) digits is 324000, while the sum is 38.

The spelling of 2145355330223 in words is "two trillion, one hundred forty-five billion, three hundred fifty-five million, three hundred thirty thousand, two hundred twenty-three".