2045745451334 has 16 divisors (see below), whose sum is σ = 3305128155840. Its totient is φ = 944058086400.

The previous prime is 2045745451319. The next prime is 2045745451339. The reversal of 2045745451334 is 4331545475402.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045745451339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5315579 + ... + 5687430.

It is an arithmetic number, because the mean of its divisors is an integer number (206570509740).

Almost surely, 2^{2045745451334} is an apocalyptic number.

2045745451334 is a deficient number, since it is larger than the sum of its proper divisors (1259382704506).

2045745451334 is a wasteful number, since it uses less digits than its factorization.

2045745451334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11010175.

The product of its (nonzero) digits is 4032000, while the sum is 47.

The spelling of 2045745451334 in words is "two trillion, forty-five billion, seven hundred forty-five million, four hundred fifty-one thousand, three hundred thirty-four".