2140542452243 has 16 divisors (see below), whose sum is σ = 2405499672576. Its totient is φ = 1889919108000.

The previous prime is 2140542452207. The next prime is 2140542452287. The reversal of 2140542452243 is 3422542450412.

It is not a de Polignac number, because 2140542452243 - 2¹² = 2140542448147 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2140542452197 and 2140542452206.

It is not an unprimeable number, because it can be changed into a prime (2140542452743) 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, 11752118 + ... + 11932868.

It is an arithmetic number, because the mean of its divisors is an integer number (150343729536).

Almost surely, 2^{2140542452243} is an apocalyptic number.

2140542452243 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2140542452243 is a deficient number, since it is larger than the sum of its proper divisors (264957220333).

2140542452243 is a wasteful number, since it uses less digits than its factorization.

2140542452243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220394.

The product of its (nonzero) digits is 307200, while the sum is 38.

The spelling of 2140542452243 in words is "two trillion, one hundred forty billion, five hundred forty-two million, four hundred fifty-two thousand, two hundred forty-three".