2045101431543 has 16 divisors (see below), whose sum is σ = 2742741439200. Its totient is φ = 1355453116416.

The previous prime is 2045101431523. The next prime is 2045101431559. The reversal of 2045101431543 is 3451341015402.

It is not a de Polignac number, because 2045101431543 - 2⁹ = 2045101431031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045101431523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2367430 + ... + 3113667.

It is an arithmetic number, because the mean of its divisors is an integer number (171421339950).

Almost surely, 2^{2045101431543} is an apocalyptic number.

2045101431543 is a deficient number, since it is larger than the sum of its proper divisors (697640007657).

2045101431543 is a wasteful number, since it uses less digits than its factorization.

2045101431543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5481826.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 2045101431543 its reverse (3451341015402), we get a palindrome (5496442446945).

The spelling of 2045101431543 in words is "two trillion, forty-five billion, one hundred one million, four hundred thirty-one thousand, five hundred forty-three".