2543140142 has 16 divisors (see below), whose sum is σ = 3967423152. Its totient is φ = 1221635520.

The previous prime is 2543140133. The next prime is 2543140147. The reversal of 2543140142 is 2410413452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543140147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237143 + ... + 247634.

It is an arithmetic number, because the mean of its divisors is an integer number (247963947).

Almost surely, 2^2543140142 is an apocalyptic number.

2543140142 is a deficient number, since it is larger than the sum of its proper divisors (1424283010).

2543140142 is a wasteful number, since it uses less digits than its factorization.

2543140142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484883.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 2543140142 is about 50429.5562344148. The cubic root of 2543140142 is about 1364.9710204191.

Adding to 2543140142 its reverse (2410413452), we get a palindrome (4953553594).

The spelling of 2543140142 in words is "two billion, five hundred forty-three million, one hundred forty thousand, one hundred forty-two".