2045243305342 has 16 divisors (see below), whose sum is σ = 3248354268720. Its totient is φ = 962459536768.

The previous prime is 2045243305321. The next prime is 2045243305421. The reversal of 2045243305342 is 2435033425402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7289928 + ... + 7565284.

It is an arithmetic number, because the mean of its divisors is an integer number (203022141795).

Almost surely, 2^{2045243305342} is an apocalyptic number.

2045243305342 is a deficient number, since it is larger than the sum of its proper divisors (1203110963378).

2045243305342 is a wasteful number, since it uses less digits than its factorization.

2045243305342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493835.

The product of its (nonzero) digits is 345600, while the sum is 37.

The spelling of 2045243305342 in words is "two trillion, forty-five billion, two hundred forty-three million, three hundred five thousand, three hundred forty-two".