2543737142 has 16 divisors (see below), whose sum is σ = 3908105520. Its totient is φ = 1241383968.

The previous prime is 2543737123. The next prime is 2543737193. The reversal of 2543737142 is 2417373452.

It is a junction number, because it is equal to n+sod(n) for n = 2543737096 and 2543737105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72473 + ... + 101684.

It is an arithmetic number, because the mean of its divisors is an integer number (244256595).

Almost surely, 2^2543737142 is an apocalyptic number.

2543737142 is a deficient number, since it is larger than the sum of its proper divisors (1364368378).

2543737142 is a wasteful number, since it uses less digits than its factorization.

2543737142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174335.

The product of its digits is 141120, while the sum is 38.

The square root of 2543737142 is about 50435.4750349394. The cubic root of 2543737142 is about 1365.0778206604.

The spelling of 2543737142 in words is "two billion, five hundred forty-three million, seven hundred thirty-seven thousand, one hundred forty-two".