2045304223253 has 16 divisors (see below), whose sum is σ = 2072828136960. Its totient is φ = 2017920938496.

The previous prime is 2045304223177. The next prime is 2045304223297. The reversal of 2045304223253 is 3523224035402.

It is a cyclic number.

It is not a de Polignac number, because 2045304223253 - 2²² = 2045300028949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045304223453) 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, 43770500 + ... + 43817202.

It is an arithmetic number, because the mean of its divisors is an integer number (129551758560).

Almost surely, 2^{2045304223253} is an apocalyptic number.

It is an amenable number.

2045304223253 is a deficient number, since it is larger than the sum of its proper divisors (27523913707).

2045304223253 is an equidigital number, since it uses as much as digits as its factorization.

2045304223253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48196.

The product of its (nonzero) digits is 172800, while the sum is 35.

Adding to 2045304223253 its reverse (3523224035402), we get a palindrome (5568528258655).

The spelling of 2045304223253 in words is "two trillion, forty-five billion, three hundred four million, two hundred twenty-three thousand, two hundred fifty-three".