2045144941256 has 32 divisors (see below), whose sum is σ = 4006756229760. Its totient is φ = 976796295552.

The previous prime is 2045144941247. The next prime is 2045144941289. The reversal of 2045144941256 is 6521494415402.

It is a self number, because there is not a number n which added to its sum of digits gives 2045144941256.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7343045 + ... + 7616468.

It is an arithmetic number, because the mean of its divisors is an integer number (125211132180).

Almost surely, 2^{2045144941256} is an apocalyptic number.

It is an amenable number.

2045144941256 is a deficient number, since it is larger than the sum of its proper divisors (1961611288504).

2045144941256 is a wasteful number, since it uses less digits than its factorization.

2045144941256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14960285 (or 14960281 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 47.

The spelling of 2045144941256 in words is "two trillion, forty-five billion, one hundred forty-four million, nine hundred forty-one thousand, two hundred fifty-six".