2143451351142 has 48 divisors (see below), whose sum is σ = 4714046129520. Its totient is φ = 703780793856.

The previous prime is 2143451351123. The next prime is 2143451351147. The reversal of 2143451351142 is 2411531543412.

2143451351142 is a `hidden beast` number, since 2 + 1 + 434 + 51 + 35 + 1 + 142 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2143451351097 and 2143451351106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143451351147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1625167 + ... + 2632122.

It is an arithmetic number, because the mean of its divisors is an integer number (98209294365).

Almost surely, 2^{2143451351142} is an apocalyptic number.

2143451351142 is an abundant number, since it is smaller than the sum of its proper divisors (2570594778378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2143451351142 is a wasteful number, since it uses less digits than its factorization.

2143451351142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4257717 (or 4257714 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

Adding to 2143451351142 its reverse (2411531543412), we get a palindrome (4554982894554).

The spelling of 2143451351142 in words is "two trillion, one hundred forty-three billion, four hundred fifty-one million, three hundred fifty-one thousand, one hundred forty-two".