2045345402243 has 32 divisors (see below), whose sum is σ = 2412379791360. Its totient is φ = 1709631037440.

The previous prime is 2045345402231. The next prime is 2045345402257. The reversal of 2045345402243 is 3422045435402.

It is a cyclic number.

It is not a de Polignac number, because 2045345402243 - 2⁴ = 2045345402227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2045345402197 and 2045345402206.

It is not an unprimeable number, because it can be changed into a prime (2045345402273) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42093080 + ... + 42141642.

It is an arithmetic number, because the mean of its divisors is an integer number (75386868480).

Almost surely, 2^{2045345402243} is an apocalyptic number.

2045345402243 is a deficient number, since it is larger than the sum of its proper divisors (367034389117).

2045345402243 is a wasteful number, since it uses less digits than its factorization.

2045345402243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49739.

The product of its (nonzero) digits is 460800, while the sum is 38.

The spelling of 2045345402243 in words is "two trillion, forty-five billion, three hundred forty-five million, four hundred two thousand, two hundred forty-three".