2045545222042 has 16 divisors (see below), whose sum is σ = 3578213217600. Its totient is φ = 876662237724.

The previous prime is 2045545221997. The next prime is 2045545222067. The reversal of 2045545222042 is 2402225455402.

It is a junction number, because it is equal to n+sod(n) for n = 2045545221992 and 2045545222010.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1490921488 + ... + 1490922859.

It is an arithmetic number, because the mean of its divisors is an integer number (223638326100).

Almost surely, 2^{2045545222042} is an apocalyptic number.

2045545222042 is a deficient number, since it is larger than the sum of its proper divisors (1532667995558).

2045545222042 is an equidigital number, since it uses as much as digits as its factorization.

2045545222042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2981844370 (or 2981844356 counting only the distinct ones).

The product of its (nonzero) digits is 256000, while the sum is 37.

The spelling of 2045545222042 in words is "two trillion, forty-five billion, five hundred forty-five million, two hundred twenty-two thousand, forty-two".