2145465234243 has 24 divisors (see below), whose sum is σ = 3234669984000. Its totient is φ = 1367731292400.

The previous prime is 2145465234217. The next prime is 2145465234251. The reversal of 2145465234243 is 3424325645412.

2145465234243 is a `hidden beast` number, since 2 + 1 + 4 + 5 + 46 + 523 + 42 + 43 = 666.

It is not a de Polignac number, because 2145465234243 - 2⁹ = 2145465233731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2145465234443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 756783 + ... + 2205368.

It is an arithmetic number, because the mean of its divisors is an integer number (134777916000).

Almost surely, 2^{2145465234243} is an apocalyptic number.

2145465234243 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2145465234243 is a deficient number, since it is larger than the sum of its proper divisors (1089204749757).

2145465234243 is a wasteful number, since it uses less digits than its factorization.

2145465234243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2965679 (or 2965676 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 45.

The spelling of 2145465234243 in words is "two trillion, one hundred forty-five billion, four hundred sixty-five million, two hundred thirty-four thousand, two hundred forty-three".